In other testimony, law enforcement witnesses placed the suspect, José Ibarra, at the scene of Ms. Riley’s killing, mainly through cellphone and GPS tracking data.

The slaying of the Georgia nursing student has been a focal point in the national discussion about immigration, a major presidential campaign issue.

ATHENS, Ga. (AP) — Testimony resumed Monday in the trial of the man accused of killing Georgia nursing student Laken Riley with police officers describing searching the man’s apartment and questioning him and others who lived there.