MCKINNEY (WBAP/KLIF) – The Collin County law enforcement community is mourning the loss of one of its own. According to the Collin County Sheriff’s Office, Collin County Detention Officer Joseph Quillen, Jr., died Tuesday morning after contracting the COVID-19 virus. Officer Quillen was a 6-year U.S. Navy veteran, served as a detention officer in Collin County…… MORE