A little mirroring can turn what would be a question-and-answer session into a real conversation.

Former FBI agents, including a hostage negotiator, weigh in on camera footage, ransom notes and other clues as the search for Nancy Guthrie continues.

As the FBI continues searching for kidnapped 84-year-old Nancy Guthrie in the United States, a former FBI negotiator says they will be focusing on the grandmother's social circle and family.

Former FBI hostage negotiator, Chris Voss, explains why you should never lie in negotiations because it will give you a reputation for being a liar. One type of drinking water linked to up to 62% ...