Criminalist Julie Sandel is investigating a series of threatening notes written in pencil and sent to a local politician. A suspect is arrested and Julie directs the suspect to prepare writing samples to compare to the writing on the notes. She has the suspect sit at a desk in an empty office and gives him a pen and a piece of paper. She begins to read one of the notes and asks the suspect to write the words she dictates. After reading about half a page, she stops, then dictates the same part of the note a second time for the suspect. At one point, the suspect indicates that he does not know how to spell one of the words, so Julie spells it for him. After completing the task, Julie takes the origi- nal notes and the dictated writing from the suspect to a document examiner. What mistakes, if any, did Julie make?

Answers

Answer 1

Answer:

See explanation

Explanation:

Julie Sandel, the Criminalist  made several mistakes in handling this investigation. They include;

It is true that handwriting can be deduced by comparing a suspects's handwriting to the questioned document, however Julie made a mistake by not making the suspect to write many pages. The suspect may intentionally decide to change his/her hand writing. This trick can be neutralized by asking the suspect to write several pages.

Secondly, the suspect ought to have been given a pencil and paper similar to the one used to write the threatening document. Rather, Julie gave the suspect a pen.

Thirdly, the suspect only wrote half a page instead of a full page. Secondly, Julie took only two exemplars when she should have taken more.

She should not have dictated the spelling of any word to the suspect. The examiner is not supposed to do that.

The threatening documents should have first been shown to the document examiner before taking the exemplars.


Related Questions

Carbon is stored in leaves in various forms, such as sugar. When leaves decay,they lose mass. Which of the following sentences explains what happens to the carbon that is stored in leaves when they decay? * 1 point

Answers

Answer:

This question lacks options, however, it can be answered based in general understanding. The answer is:

The carbon is released into the atmosphere and soil during decomposition

Explanation:

Carbon is an important element that makes up the biomass of living organisms. Organisms like plants as described in this question, store carbon as sugars, which they synthesized during photosynthesis. However, when they decompose/decay, they lose this carbon content.

Decomposition is the process carried out by microbes such as fungi, bacteria etc involving the breaking down of an organic molecule into inorganic ones. Hence, when leaves of a plant die, they undergo decomposition i.e. the carbon content in their leaves present as sugar (organic molecules) is broken down to release the carbon in form of carbon dioxide, into the atmosphere, soil etc. Hence, the carbon that is stored in leaves are RELEASED when they decay causing them to lose mass.

whats the formula for density

Answers

p =[tex]\frac{m}{V}[/tex]

p equals m over V

hope this helps!!

P = density

m = mas

V     =     volume

Explanation:

easy

What is the difference between moles and mass?

Answers

Mass is the state of motion when an external force is applied.

Moles in other hand is an unit for measuring the amount of substance.

Provide background information about different types of chemical reactions.
Synthesis Reactions
Decomposition Reactions
Single Replacement Reaction
Double Replacement Reaction
Combustion
Then explain, in a general sense, how you will determine which of the above types of reactions are occurring in your experiments.

Answers

Answer:

.

Explanation:

-Synthesis reactions are reactions that appear when two distinct atoms or molecules engage to structure a specific molecule or compound. Most of the time, when a synthesis response occurs, electricity is launched and the response is exothermic. However, an endothermic consequence is additionally possible.

-A decomposition response starts offevolved from a single substance and produces extra than one substance; that is, it decomposes. One substance as a reactant and greater than one substance as the merchandise is the key attribute of a decomposition reaction. For example, in the decomposition of sodium hydrogen carbonate (also recognized as sodium bicarbonate)

-A single-replacement response (sometimes referred to as a single-displacement reaction) is a chemical response in which one aspect is substituted for every other factor in a compound, producing a new aspect and a new compound as merchandise

-A double-replacement response (sometimes referred to as a double-displacement reaction) takes place when components of two ionic compounds are exchanged, making two new compounds. A attribute of a double-replacement equation is that there are two compounds as reactants and two distinctive compounds as product

-A combustion response happens when a reactant combines with oxygen, many instances from the atmosphere, to produce oxides of all different factors as products; any nitrogen in the reactant is transformed to elemental nitrogen, N2. Many reactants, referred to as fuels, incorporate normally carbon and hydrogen atoms, reacting with oxygen to produce CO2 and H2O

A chemical reaction may involve one or more reactants to yiled one or more products.

Types of reactions

Below we are going to discuss the types of reaction under the following headings;

Synthesis reaction - This is a reaction in which two or more substances come together to yiled a single product.

Decomposition reaction - This involves the breakdown of a substance into new substances.

Single Replacement Reaction- This is a type of reaction in which an atoms replaces another in a compound.

Double Replacement Reaction - This is a reaction in which cations exchange anion partners in a reaction

Combustion - This is a reaction in which a substance is burnt in oxygen.

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8. If a sample of chloroform is initially at 25°C, what is its final temperature if 150.0 g of chloroform
absorbs 1.0 kilojoules of heat, and the specific heat of chloroform is 00.96 J/gºC?

Answers

Answer:

The final temperature is 31.95° C.

Explanation:

Given that,

Initial temperature of a sample of chloroform, [tex]T_i=25^{\circ} C[/tex]

Mass of chloroform, m = 150 g

It absorbs 1 kJ of heat, Q = 10³ J

The specific heat of chloroform, c = 00.96 J/gºC

We need to find the final temperature. The heat absorbed by an object in terms of specific heat is given by :

[tex]Q=mc\Delta T\\\\Q=mc(T_f-T_i)\\\\\dfrac{Q}{mc}+T_i=T_f\\\\T_f=\dfrac{10^3}{150\times 0.96}+25\\\\=31.95^{\circ} C[/tex]

So, the final temperature is 31.95° C.

Answer fast please What system is the heart part of
A. Circulatory
B. Respiratory
C. Digestive
D. Skeletal

Answers

The heart is a part of the Circulatory system.

Answer:

A. Circulatory System

is bird seed homogeneous or heterogeneous

Answers

Answer:

heterogeneous          

In order to give birds a varied and balanced diet, commercial bird seed blends typically include a range of seeds, grains, and other substances. As a result, bird seed is frequently categorised as a heterogeneous blend.

A seed is referred to as homogenous if its genetic makeup, size, shape, and other traits are all consistent. To guarantee consistency in the ensuing plants, these seeds are typically created through controlled breeding or genetic manipulation. A heterogeneous seed, on the other hand, is one that varies in genetic makeup, size, shape, and attributes. These seeds frequently result from cross-pollination or natural pollination between various species or kinds.

To know more about heterogeneous seed, here:

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You mix 15g of water with 10 grams of sodium chloride. After the reaction occurs, how
many grams of your new substance do you have?

A) 15g
B) 25g
C) 20g
D) not enough information

Answers

Answer:

B) 25g

Explanation:

Every reaction must follow the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

Explanation:

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂

there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

In given example:

Water + sodium chloride   →   Product

15 g   +      10 gram       =              25 g

25 g           =      25 g

How do you know something is there if you can't see it?

Answers

Answer:

Explanation:

Use your other senses such as touch or smell, does it react in different temperatures, is it then visible under a microscope, does it react with different elements or gases?   Think outside the box.

Answer:

we know that someone or something is near us even when we cant see it you see our self conscious minds can pick up on the slightest detail even when we dont pick up on it also you can  thank the six senses as well for why we can tell something or someone is there

Explanation: i watch criminal minds and pay attention to the random facts spencer reid spits out

What are the names of all of the valves in the
heart? Check all that apply
ventricular valve
aortic valve
atrium valve
carotid valve
mitral valve
pulmonary valve
tricuspid valve

Answers

tricuspid valve: located between the right atrium and the right ventricle.
pulmonary valve: located between the right ventricle and the pulmonary artery.
mitral valve: located between the left atrium and the left ventricle.
aortic valve: located between the left ventricle and the aorta.

Please help me with this.

Answers

Answer:

its should be rises

Explanation:

Answer:

its rises I'm pretty sure

Explanation:

iwhen warm air rises it expands and when air expands it becomes less dense (or of low pressure)

Which could cause renewable resources to change from renewable to non- renewable?

A. Pollution
B. Overuse
C. Disease
D. All of these

Answers

D. All the above

If you overuse a renewable resource, such as overfishing. Over time the fish will become non- renewable. If a renewable land is polluted eventually it will become non- renewable. Also if a species gets a disease it can make them become a non- renewable resource.


how many atoms are in a sample of uranium with a mass of 789 g.

Answers

Number of atoms : 1.996 x 10²⁴

Further explanation  

The mole is the number of particles(molecules, atoms, ions) contained in a substance  

1 mol = 6.02.10²³ particles

Can be formulated

N=n x No

N = number of particles

n = mol

No = Avogadro's = 6.02.10²³

mol of Uranium with mass=789 g (Ar U=238,02891 u) :

[tex]\tt mol=\dfrac{mass}{Ar}\\\\mol=\dfrac{789}{238,02891 u}\\\\mol=3.315[/tex]

Number of atoms :

[tex]\tt N=3.315\times 6.02\times 10^{23}\\\\N=1.996\times 10^{24}~atoms[/tex]

Which sentence best explains the relationship between pressure and the
solubility of a gas?
A. The greater the pressure, the more gas that will dissolve.
B. Solubility increases with pressure for some gases but not others.
C. The lower the pressure, the more gas that will dissolve.
D. Pressure has no effect on the solubility of gases.

Answers

Answer: A. The greater the pressure, the more of gas that will dissolve.

Explanation: Increasing pressure increases the solubility of gases. It has little effect on the solubility of liquids and solids.

Please answer correctly !!!!! Will mark brainliest !!!!!!!!!!!!!!

Answers

Answer: Solids

Explanation:

In the solid state, the individual particles of a substance are in fixed positions with respect to each other because there is not enough thermal energy to overcome the intermolecular interactions between the particles. As a result, solids have a definite shape and volume.

what is the atomic number of an element based on

Answers

Answer:

The atomic number is the number of protons in the nucleus of an atom . The number of protons define the identity of an element

A wheelbarrow has wooden handles that are 3.5 feet long. The axle on the wheel is the
fulcrum and is 0.5 feet from the end. What is the MA? You know you can probably lift 70
pounds without too much effort. How heavy of a wheelbarrow load can you lift?

Please answer

Answers

14 to the fifth power

For all of these it’s Explanation with support:
1. The color of a solution identifies if it is an acid, base, or neutral solution
2. Which solution is basic
3. How will adding water effect the pH

Answers

Answer:

1. A

Explanation:

1.A True we can identify solutions based on the color of the solutions. If you look at our  universal PH color chart. Red, Orange, and yellow are acids.

2. D, If you look at the pH levels. Both B and C have a pH level equal to or greater than 7. Note that any pH level 7 or higher is a basic solution.

3.A

Looking at the pH level we can see that this is an acidic solution. So, by adding more water. The acidity will lessen.

A cylinder, with a piston pressing down with a constant pressure, is filled with 2.10 moles of a gas (n1), and its volume is 46.0 L (V1). If 0.700 mole of gas leak out, and the pressure and temperature remain the same, what is the final volume of the gas inside the cylinder?

Answers

Answer:

The volume is  [tex]V_2 =15.33 \ L[/tex]

Explanation:

From the question we are told that

    The number of moles of the gas is  [tex]n_1 = 2.10 \ moles[/tex]

      The volume of the gas is  [tex]V = 46.0 \ L[/tex]

        The  of moles of the gas that leaked is  [tex]n_2 = 0.700 \ mol[/tex]

Generally from the ideal gas law

      [tex]PV = nRT[/tex]        

Generally at constant pressure and temperature

        [tex]\frac{V}{n} = constant[/tex]

So   [tex]\frac{V_1 }{n_1} = \frac{V_2 }{n_2}[/tex]

=>    [tex]V_2 = \frac{ V_1 * n_2 }{ n_1}[/tex]

=>    [tex]V_2 = \frac{ 46.0 * 0.700 }{ 2.10 }[/tex]  

=>    [tex]V_2 =15.33 \ L[/tex]

             

     

You are sitting in the central park bleachers of a Major League baseball park. You see a batter strike a pitched ball. About 0.4 seconds later you hear the contact between the bat and the ball. In terms of the properties of light and sound waves, how do you explain the difference in the communications you receivedbabout the same event?

Answers

Answer:

See the answer below

Explanation:

The speed of light in air and space is faster than the speed of sound in the same media. Light travels with a speed of approximately 3 x [tex]10^8[/tex] m/s while sound can only travel at 343 m/s (at 20 [tex]^oC[/tex]).

Consequently, the visuals of a batter striking a pitched ball which travel by light and is perceived through the eyes would be seen before the sound of the strike.

The difference in the speeds of light and that of sound largely explains the difference in the communication received about seeing a batter striking a pitched ball before hearing the sound of the strike

how many valence electrons does Ne have

Answers

Answer:

eight valence electrons

Answer:

it has 8 valence electrons

1. What is the atomic mass of hydrogen if 99.985% is hydrogen-1 and 0.015% is hydrogen-2?​

Answers

The atomic mass of Hydrogen : 1.02985

Further explanation  

Isotopes are elements that have the same Atomic Number (Proton)  

Atomic mass is the average atomic mass of all its isotopes  

In determining the mass of an atom, as a standard is the mass of 1 carbon-12 atom whose mass is 12 amu  

An atomic mass unit = amu is a relative atomic mass of 1/12 the mass of an atom of carbon-12.  

Mass atom X = mass isotope 1 . % + mass isotope 2.% ..

99.985% is hydrogen-1 and 0.015% is hydrogen-2

The atomic mass of Hydrogen :

[tex]\tt atomic~mass~H=0.99985\times 1+0.015\times 2\\\\atomic~mass~H=1.02985[/tex]

i need help ASAP plz its timed

Answers

Answer:

B) iron (Fe) im sure its iron

PLS PLS PLS HELP ME I WILL MARK YOU BRAINLYEST PLSSSSS :((

Answers

A. Golgi body
C. Mitochondria
E.cell wall
B.vacuole
D.Nucleoplasm
Tried my best : p
He lied to u it’s 1. {^{%%^ 2.7373636 4.73736 5.8487363 6.63773

Which of the following traits are inherited from parents when the genetic material found in genes is passed to offspring on the chromosomes located in egg and sperm?


A. Sharp Teeth
B. Penguins caring for young
C. All the above
D. Flower color

Answers

I believe it is B. I’m sorry if i’m wrong. Tell me if i’m wrong or right!

What is the different between stereotyping someone and judging them? paragraph in length please

Answers

Answer:

Stereotyping provides humans with the ability to quickly sort out patterns in a randomly diverse world filled with people of every size, shape, gender, age, color, and sexual orientation. And it’s just a quick first pass, nothing more

PLEASE HELP, I WILL MAKE YOU THE BRAINLIEST!!!
3. Magnesium sulfate is added to sodium hydroxide to produce sodium sulfate and magnesium hydroxide (10 points)
a. Write the skeletal equation and Balance the chemical equation describing the reaction above.
b. What kind of reaction is this?
c. Rewrite the balanced chemical equation, adding state symbols for all compounds in the reaction.

Answers

Answer:

answer in the picture hi shirllleeyyyyy

*WILL GIVE A BRAINIEST & 15 POINTS TO THE CORRECT ANSWER*

When an electron falls back to its original shell, the electron will...

A.) absorb energy as it goes to the excited state
B.) absorb energy as it goes to the ground state
C.) release energy as it goes to the excited state
D.) release energy as it goes to the ground state

Answers

Answer: D

Explanation:

What is the amount of water vapor in the air called?

relative humidity

humidity

dew point

freezing point

Answers

Answer:

relative humidity

Explanation:

1. The ability to reflect light; shininess
ductility
O luster
o conductivity
o malleablity

Answers

Answer:

Luster

Explanation:

I can not really explain

-the metallic substance

luster haha i’m learning this in my science class but you can google it to check
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