SAN ANTONIO – A San Antonio firefighter who previously served a lengthy suspension for trying to dodge a drug test and then failing it is in trouble again, according to suspension records released to the KSAT 12 Defenders. Guzman requested a four-hour leave for his shift on June 14 and then showed up an hour and a half after the leave had expired, records show. Guzman tried to dodge drug test in 2016, still failed itGuzman is no stranger to the SAFD disciplinary process. SA firefighter suspended for admitted drug useIn 2016, a department investigation determined that he tried to take sick leave after being chosen for a random drug test. Records show Guzman provided a urine sample the following day, which tested positive for marijuana.