Zimmerman allegedly told Gasparro, "Help Dennis out and give him a heads up. I'm going to find him. And I'm bringing hell with me."
He allegedly texted Gasparro and said, "Dennis is a (expletive) who bothered my uncle in his home. Local or former law officer, he's well on his way to the inside of a gator as well. 10-4?"
WFTV legal analyst Bill Sheaffer said the indigent applications are rarely scrutinized by the court because they are done under oath.
"As long as you can show your liabilities outweigh your assets, you are maybe entitled to a public defender and you are maybe entitled to the cost of defense," Sheaffer said.
Zimmerman is scheduled to be in court May 30.
Zimmerman was acquitted in 2013 of the 2012 shooting death of Martin, an unarmed teenager. of unarmed teen, Trayvon Martin.