Man who heckled Abdul El-Sayed is former Josh Hawley aide, records show
Thomas Teepell, who worked for Republican senator, demanded El-Sayed disavow Muslim Brotherhood

TL;DR
- Thomas Teepell, a former aide to Republican Senator Josh Hawley, heckled Senate candidate Abdul El-Sayed.
- Teepell demanded El-Sayed disavow the Muslim Brotherhood at a Michigan town hall.
- El-Sayed responded by questioning the implication of dual loyalty and highlighting his Muslim faith.
- The question echoes a line of attack used by Republicans against El-Sayed.
- Donald Trump has also made unsubstantiated claims about El-Sayed's ties to the Muslim Brotherhood.
- The race between El-Sayed and his Republican opponent is close, with early voting underway.