Who is Donnie Rudd? It depends on who you ask. To some, he's a war hero, lawyer and brilliant scientist, but to others, he's a conman, womanizer and possibly a murderer. Follow NBC's Keith Morrison as he takes us from the small towns of Texas to the elite suburbs of Chicago to learn more about Donnie through the accounts of family members and business associates. Four decades after what some authorities believe may have been Donnie's first murder, he's still a free man, but Morrison rushes to get the facts just before Donnie's June 25, 2018 Chicago area-based murder trial begins