Man reportedly burns pro-Trump sign, punches elderly woman, pulls pocketknife during rally. Then a retired cop jumps into action.

Authorties arrested a 33-year-old California man after he allegedly punched an elderly female Trump supporter and two other people during a pro-Trump gathering in Aliso Viejo, California, Wednesday evening.

A retired cop jumped into action and intervened before the suspect could do any more damage. 

On Friday, the Daily Mail reported that the suspect, Alvin Shaw, is a U.S. postal service worker

Reports say that anywhere between 20 and 30 people gathered in support of Trump's re-election bid on a street in Aliso Viejo on Wednesday evening. Many of the demonstrators wore the Trump campaign's signature MAGA-wear and carried signs professing their support for the president.