A local doctor and a detective try to find the reason.

Detectives here are trying to find out more about the man's business activities, to establish why he was killed.

Last night, detectives were still trying to determine who shot whom.

Detectives from the 67th Precinct were still trying to determine whether he was alone.

The detectives are trying to trace the car's history backward.

The story follows two detectives trying to uncover the case.

The other detectives were still searching outside and trying to restore order in the night club.

Last night, detectives were trying to determine who owned the car and whether it had been stolen.

When detectives try to solve crimes, they ask themselves a simple question: who benefits?

Detectives are trying to trace Jane's two children from her previous marriage.