SAFD captain to return to duty Monday, six years after being fired Captain Thomas Caldwell reinstated following multiple legal victories, likely due substantial back pay Updated: Tags: Captain Thomas Caldwell. Courtesy: State Bar of Texas (KSAT) SAN ANTONIO – A San Antonio Fire Department captain, terminated in 2015 after facing allegations he worked a second job while collecting line-of-duty injury benefits, has been reinstated by SAFD and is scheduled to report for duty Monday morning. Thomas Caldwell, a 19-year veteran of SAFD, is likely due significant back pay, leave and benefits. Sources familiar with his reinstatement said back pay alone could top $600,000.