Jerrell Jackson, accused of shooting a National Guard member in D.C., had prior convictions for assaulting police officers and carrying an illegal gun.
https://www.foxnews.com/us/repeat-offender-accused-shooting-national-guard-member-lengthy-history-law-records-show
https://www.foxnews.com/us/repeat-offender-accused-shooting-national-guard-member-lengthy-history-law-records-show