Missing Since: 2011-07-20 Location: None, Colorado
O’Shaughnessy was last seen in Adams County, Colorado on July 20, 2011. He has never been heard from again. Few details are available in his case. Investigating Agency Adams County Sheriff’s Office Source Information Colorado Bureau of Investigation Updated 1 time since October 12, 2004. Last updated August 24, 2018; casefile added.