Wrongful convictions are a serious problem, with an estimated 200,000 innocent people imprisoned in the US at any given time. The two main causes of wrongful conviction are eyewitness misidentification and false confessions. Eyewitnesses often get significant details wrong in their identification of a perpetrator, and police identification techniques can skew the process. False confessions are also a major issue, sometimes resulting from psychological interrogation methods or even physical torture. Solutions proposed include videotaping interrogations and eyewitness identifications to avoid improper influences, as well as better training police to understand the risks of wrongful conviction.