Which of the following may assist in identification of the victim?  

Because deadly force is so controversial, police officers confronted by a suspect with a knife are now trained to shoot the knife out of the suspect’s hand so long as the suspect is within 21 feet of the officer. 

Facts gathered after an arrest to justify probable cause are not legally admissible as evidence of probable cause. 

On the use of force continuum, a taser is a weapon one step below deadly force, and therefore should be used only against a suspect who is aggressively, physically resisting arrest. 

Assume the police are confronted by a suspect armed with a knife in his apartment. Assume further that the suspect has just stabbed his wife. The suspect faces the two police officers but does not advance towards them. He refuses verbal commands to drop the knife. Which of the following are actions the officer should either take or be prepared to take?

The confession in Dunaway was not admissible even though he was read his Miranda warnings 

Assume a suspect voluntarily comes to a police station to be questioned. Once that suspect implicates herself in a crime, and the investigator intends to make an arrest on the spot, then any further questioning should be proceeded by Miranda warnings because the person is now in custody since they can’t leave.

Once a suspect in custody requests a lawyer, all further questioning must cease unless the suspect changes her mind and agrees to talk.

an officer can legally question a suspect in custody without Miranda warnings once the suspect makes a spontaneous, unprompted admission or confession

an important source of information is a confidential informant, who is a person who is registered with and compensated by a police agency in exchange for providing information or performing a service, such as a controlled purchase of drugs.