[s19e1] Rumble -

District Attorney Jack McCoy utilizes a controversial post-9/11 terrorism statute to prosecute the participants, a move that causes friction with ADA Michael Cutter. Proper Paper Context

In this premiere episode, detectives investigate the death of Todd Hauser, a Wall Street stockbroker who dies from internal injuries after participating in an underground "rumble". [S19E1] Rumble

The fight was organized via the internet between two rival groups. [S19E1] Rumble

While "Proper Paper" is also the name of a brand specializing in luxury rolling papers , in the context of this specific Law & Order episode, legal documents such as are issued to ISPs to track anonymous commenters and authenticate video evidence of the fight. [S19E1] Rumble