According to TMZ, Arenas was pulled over early in June in Los Angeles for speeding. The officers who pulled him over soon found that Arenas' truck was chock full of illegal fireworks, so he was arrested and charged with possession of illegal fireworks and speeding.
UPDATE: Thursday, Sept. 5, at 6:10 a.m. ET
TMZ's Staff confirms Gilbert Arenas has been charged following his June arrest for possession of illegal fireworks:
Ex-NBA star Gilbert Arenas has been charged with a crime for transporting more than 100 pounds of dangerous fireworks right before the 4th of July ... and could face serious jail time, TMZ has learned...
... Arenas is due in court for the matter next month.
---End of update---
Arenas' arsenal of fireworks was apparently quite dangerous, as TMZ is also reporting that a bomb squad was called in order to take care of the 20 boxes he was transporting.
The three-time NBA All-Star is no stranger to legal trouble. Arenas was suspended for much of the 2009-10 season and sentenced to 30 days in a halfway house after he and former Washington Wizards teammate Javaris Crittenton drew guns on each other in the Wizards locker room on Christmas Eve in 2009.
Arenas' career never fully recovered from that incident and subsequent suspension. He was traded to the Orlando Magic the following season and suited up for the Memphis Grizzlies in the 2011-12 campaign. He played sporadically for both squads and failed to put up numbers close to what he averaged with the Wizards.
He did play 14 games for the Shanghai Sharks of the Chinese Basketball Association in 2012-13, however, and averaged nearly 21 points per contest.
Will Arenas ever play in the NBA again?
Known fondly as "Agent Zero," Arenas was one of the best pure scorers in the NBA during his prime. He averaged more than 25 points per game for three straight seasons from 2004-05 through 2006-07 and was Washington's unquestioned franchise player.
Arenas' career went downhill quickly, though, and now that he is 31 years of age with eroded skills and a criminal record, it's hard to imagine him ever playing in the NBA again.
Follow @MikeChiari on Twitter