During the third Democrat debate, O'Rourke made a rousing plea to ban the possession of certain military-style rifles, such as the AR-15.
The suspect used the screen name "Adolf Hitler (((6 Million)))" while gaming online, according to reports.
With consequences setting in for Francisco Felix, he allegedly told investigators he "f---ed up."
His comment was in response to Oliver North equating gun control activists with "civil criminal terrorists" in an interview earlier this week.
The NRA linked to a website blaming law enforcement for the Parkland shooting.
AR-15s and large-capacity magazines are beyond the scope of the Second Amendment and may be banned, the court ruled.
The raffle includes three rifles, two handguns, two compound bows and fishing gear.
Maximilien R. Reynolds reportedly possessed an unassembled AR-15-style rifle, combat equipment and 300 rounds of ammunition.
The observation reports span six days, beginning three days after the February 14 school attack.
The Wikipedia Project: Firearms group worked to remove mentions of mass shootings or gun control controversies on the "Colt AR-15" Wikipedia page.
Police say that the Florida high school student showed poor judgement but is not a threat.
Wallenpaupack South Elementary School will temporarily move its students while a controversial nearby church hosts an event that is expected to involve semi-automatic rifles.
The church is expecting over 600 people to attend the blessing ceremony of AR-15 guns.
"Are you all tone deaf? AR15 kills seventeen so you raffle a gun for child sports?" a user wrote on Facebook.
The use of the AR-15 in Parkland continues a worrying trend among recent shooters.