Brendan Ray Dassey (born October 19, 1989) is an American man from Manitowoc County, Wisconsin who was convicted of being party to first-degree murder, mutilation of a corpse, and second-degree sexual assault at the age of 17, and sentenced to mandatory life in prison with a possibility of parole set for Nov. 1, 2048. His videotaped interrogation and confession, which he recanted at trial, substantially contributed to his conviction. Parts were shown in the Netflix documentary series Making a Murderer (2015). The series examined the 2005-2007 investigation, prosecution and trials of Dassey and Steven Avery, his uncle, who were both convicted of murdering photographer Teresa Halbach on October 31, 2005.