Money, privilege and power - millionaire Robert Durst had it all. But behind closed doors, Durst was more than a mogul - he was wanted for murder. The latest installment in the top-rated ID Murder Mystery franchise from America's leading true crime network, Investigation Discovery (ID), ROBERT DURST: AN ID MURDER MYSTERY, delves into the twisted truth behind one of New York's MOST INFAMOUS real estate heirs. From the suspicious disappearance of Durst's wife, Kathleen, to the execution-style murder of his confidant, Susan Berman, and finally the brutal killing of his neighbor, Morris Black, this two-part special event pulls the curtain back on this 40-year saga. ROBERT DURST: AN ID MURDER MYSTERY premieres Monday, January 21 at 9/8c and Tuesday, January 22 at 9/8c, only on Investigation Discovery.