Trooper Damon Allan Act, named for slain trooper, returns to state legislature Trooper Damon Allen was shot and killed by a man who attacked law enforcement only to get out on bail five months later. Abbott is supporting bail reform. Author: Andrew Moore Updated: 10:29 PM CDT April 6, 2021 FREESTONE COUNTY, Texas — Texas State Trooper Damon Allen was shot and killed by DaBrett Black on Thanksgiving 2017 during a regular traffic stop. Black shot Allen with a long gun before he sped away. But while Back had a history of violence against law enforcement and had rammed his vehicle into a sheriff deputy's car just five months prior, he was still able to get out on bond. The Damon Allen Act would change that.