COSTELLO: New York City detectives are questioning a possible suspect in the Saturday afternoon killing of an imam and his assistant. Both men were wearing Muslim religious attire when they were shot in a crowded Queens neighborhood in broad daylight. CNN's Sara Ganim has been following the story. She has more for you this morning. Good morning.</s>SARA GANIM, CNN INVESTIGATIONS CORRESPONDENT: Good morning, Carol. We know that NYPD is now questioning a person of interest in this case who was apprehended after bumping into a police car, an unmarked police car, that was surveilling him. We also know that police have released this sketch, you see here on the screen, they composed based on surveillance video from nearby that shows a man with a gun walk up behind the two men as they walk down the street from Saturday prayers at their mosque towards their home nearby. He shoots both men and then runs away with the gun. We know that as we speak police are being very careful about a motive but continue to investigate involving the hate crimes unit at --
Possible Suspect Held in Killing of Imam