The incident happened last year when Mulero responded to a call about a man on Orange and New York avenues, who was allegedly yelling at people and cars.
Body camera video shows Mulero pushing the man and telling him to sit down.
"Lower your voice or you're going to jail!" Mulero is heard yelling in the video.
The man then asked Mulero if he’s “on a power trip.”
“The relevant facts of this case are that the police department did not become aware of the conduct of our officer until 10 months after the incident occurred," the release said. "The State Attorney’s Office had determined that the arrest of Mr. Kidd lacked sufficient probable cause to affect a criminal arrest, and that it had been dismissed from the court docket."
DeLand police Chief Jason Umberger called Mulero’s conduct, “troubling and inappropriate.”
The release also stated that Mulero “engaged in conduct unbecoming of a police officer, made an unlawful arrest for the crime of resisting arrest without violence.”
“He (Mulero) failed to apply the numerous trainings he has received in the areas of de-escalation techniques and verbal judo, thereby escalating a situation which otherwise may have been resolved without a physical confrontation,” Umberger said.
He continued, “There are times when our actions do not come anywhere near achieving the standards of excellence that we have set for our officers at the DeLand Police Department. Unfortunately, this is one of those times.”