Exam 18: Police Investigations and Arrests

The law requires that officers establish _______ to make an arrest.

The use of polygraphs as part of criminal investigations has been questioned, and not all states permit their use.

Research on detective decision-making with regard to the attention they devote to cases found that the status of the victim, the status of the accused, and media publicity had very little impact on the extent to which the cases received attention.

Surveillance involves observing suspects to gain information and can be used in which three manners?

Investigations vary in length and in whether they are

Vehicle tracking systems, which enable investigators to track vehicles using devices placed on a suspect's vehicle and global positioning systems, were instrumental in identifying the perpetrators of the 2013 Boston Marathon bombing.

Identify and discuss the primary investigative tools used by law enforcement.

Undercover officers posing as criminals with the intent to gain access to offenders are engaged in a(n)

Which major category of factors that influence an officer's decision to arrest involves variables beyond the immediate area of arrest, including the neighborhood crime rate and publicity surrounding a case?

Xavier was a low-level drug dealer who was caught selling marijuana. Working with the police, the prosecutor told Xavier that they would not prosecute him if he provided information about where the drugs came from and who was involved in the drug operations. Xavier complied, and as such is considered a(n)

Environmental factors have received the bulk of the research attention with regard to police-citizen encounters and include the characteristics of the interactions between suspects and the police.

A study on the influences of informed administrators and police lineups found that the target photo was over twice as likely to be selected when the lineup was administered by an administrator who was aware of the identity of the suspect compared to administrators who were unaware.

Less serious crimes are more likely to be investigated by patrol officers.

Summarize the factors that influence officer use of discretion with regard to making arrests. Provide examples of each.

The U.S. Supreme Court ruled that no arrestee has to submit to a cheek swab of their DNA.

One approach to combat consciously or subconsciously influencing an eyewitness is to make the lineup _______, so that the police personnel conducting the lineup are unaware of the suspect's identity.