Los Angeles police are reportedly searching Friday for a 17-year-old girl in connection with the stabbing death of a man in an alley behind a Baldwin Hills apartment.

The stabbing was reported at 7:15 p.m. Thursday on the 4000 block of Nicolet Avenue, said Sgt. G. Garcia of the Los Angeles Police Department’s Southwest Station.

Witnesses told police the man got into an argument with a female, and they went outside an apartment before he was stabbed in the chest, Garcia said. Paramedics took the man to a hospital where he was pronounced dead.

According to media reports, the victim was 21 years old. It is unclear what, if any, relationship he had with the 17-year-old.

“She was the last person who was seen with him,” police said, but she left the scene.