Criminal Evidence

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What Is Criminal Evidence?

Criminal evidence is any physical or verbal evidence that is presented for the purpose of proving a crime. Criminal evidence can take many different forms and may also be introduced by the defendant to prove that they are not guilty. In any criminal trial, the burden is on the prosecution to prove that the defendant committed the crime. 

What Are Some Forms of Criminal Evidence?

Criminal evidence may basically come in two different forms, verbal or physical. Examples of verbal evidence may include:

Physical evidence is any tangible evidence and is usually presented as an exhibit.  Examples can include:

All criminal evidence may be further classified into either direct or circumstantial evidence. Direct evidence supplies the prosecution with information that is true “beyond a reasonable doubt” (for example, a videotape showing the defendant injuring the victim).  Circumstantial evidence does not prove a theory but rather only suggests proof in support of the theory (for example, a knife that fits the description of witness testimony). 

What Evidence Is Admissible in Court?

For evidence to be admissible in court, the evidence must be logically relevant, material, and competent. For evidence to be relevant, it must have a reasonable tendency to help prove or disprove a fact. The evidence does not have to make a fact certain, but rather make a fact that is of consequence more or less probable than it would be without the evidence.

Even if evidence is relevant, the evidence must be legally relevant meaning that the probative value of the evidence must not be substantially outweighed by the dangers of unfair prejudice, confusion of jury, waste of time, misleading of the jury.

What Evidence Is Not Admissible in Court?

Although most evidence is permitted for use at trial, the rules prevent certain type of evidence from being admissible at trial. These rules are even stronger in criminal cases because the Constitution guarantees criminal defendants certain rights. However, most of these rules have special exceptions, and are subject to change from state to state, so check with an attorney before heading to court.

The following types of evidence are not permitted against criminal defendants:

Do I Need a Criminal Lawyer?

The presentation of evidence in a criminal case can have powerful effects on the verdict. For example, if evidence was illegally obtained by the police, it cannot be used in court. Thus, it may be necessary to work with a criminal lawyer if you are facing criminal charges. Your attorney can help you review the evidence so that you obtain your full rights under the law.

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Last Modified: 06-04-2014 02:54 PM PDT

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