Detective showing to criminal bloody knife with his prints found at murder scene

female, scene, knife, male, man, office, woman, communication, job, justice, law, criminal, crime, station, detective, police, officer, showing, victim, bloody, meeting, question, illegal, murder, agent, lawyer, prison, jail, investigation, investigator, guilty, questioning, arrest, enforcement, offender, prisoner, interrogation, policewoman, suspicious, prints, evidence, homicide, suspect, detention, interrogate, witness, testimony, delinquent, constabulary, testify,