Crime Scene: Detective Lane surveyed the room, bloodstains covered the walls. Suddenly, she noticed a hidden camera. Interviews revealed the victim was an undercover cop. Lane realized the killer was one of their own. 

Detective's View: As Detective Lane examined the evidence, a photo caught her eye. It was of the victim and a fellow officer. Interviews pointed to a jealous colleague. Lane arrested the killer, shocked to discover it was her own partner. 

Court Testimony: Detective Lane took the stand, presenting the evidence to the jury. The hidden camera footage showed the killer's identity. Lane's partner was sentenced to life in prison for the murder of their fellow officer. The twist? Lane had known the truth all along.