The man who killed the unarmed black teenager in 2012 claimed the candidates defamed him as racist and a white supremacist.
Zimmerman is accused of following, harassing and cyberstalking an investigator working on a Jay-Z produced documentary.
From trying to auction the gun he used to kill Martin to almost fighting the rapper DMX in a celebrity boxing match.
Online bidding for the Kel-Tec PF9 9mm handgun ended Wednesday, but it's not clear if the final offer was legitimate.
Zimmerman sparked intense debate last week when he first offered to sell the Kel-Tec PF9 9mm handgun.
The former neighborhood watch patrolman has led a turbulent life since killing Trayvon Martin.
George Zimmerman—acquitted of murdering the teenager—listed the gun as "a piece of American history."
A website is discovered that appears to contain the Charleston suspect's writings.
In May, Matthew Apperson reportedly fired at Zimmerman inside his vehicle.
Matthew Apperson turned himself into police four days after he reportedly fired at Zimmerman inside his vehicle.
George Zimmerman suffered a minor injury during a shooting incident.
A driver told police Zimmerman threatened to kill him after a confrontation on the road