In a crushing blow to Brenden Dassey, the U.S> Supreme Court announced Monday it will not hear his appeal in the 2005 murder of Teresa Halbach. No explanation was given for the decision. Four of then in Supreme Court Justices must agree to accept a case. Dassey and his uncle Steven Avery were sentenced to life in the Wisconsin prison system. Dassey is eligible for extended supervision in 2048. His lawyers say they will continue to fight for Dassey’s release.