Some of the world's most notorious murders are the subject of "It Takes a Killer," which investigates the crimes from the perspective of the killers, trying to get inside their minds and determine their motives. Leading homicide investigators and experts from such agencies as the FBI and Scotland Yard take a look at the evidence pulled from crime scenes and profile the killer's behavior to try to piece together the details of each murder, explaining when, why and how each criminal committed the crime. For the wannabe detectives watching the show, the experts also reveal how the crime was solved -- which often requires authorities to think like a killer.

Fourteen former BFFs are forced to confront past differences to win a $100,000 grand prize.

Reality shows about modeling and fashion have been done before, but what makes "Strut" different is that the models featured on the program are all transgender. The show, which has Whoopi Goldberg as one of its executive producers, follows several models who try to overcome gender and beauty stereotypes to make it in the modeling industry. The show goes inside the models' personal lives, showcasing their struggles to make it in the fashion world and revealing emotional conversations with family members. The featured models include Laith, who was one of the first transgender male models to appear in a national campaign; Dominique, who has been modeling for more than 20 years; Isis, who was a fashion designer before getting into modeling; newcomer Ren, who hopes modeling can help her reconnect with her distant father; and outspoken Arisce, who has walked runways during New York, Los Angeles and Miami Fashion Week shows.

Three groups of friends from around the United States compete for $100,000.