snipUsman Khan was convicted on terrorism charges but let out of prison early. He attended a “Learning Together” conference for ex-offenders, and used the event to launch a bloody attack, stabbing two people to death and wounding three others.
https://apnews.com/edbd48353f9b4766abc7ddb34c0300cb“We’re playing Russian roulette with people’s lives, letting convicted, known, radicalized jihadi criminals walk about our streets"