SHERMAN – The City of Plano and its police department have been implicated in a federal lawsuit filed by a Lewisville man who claims an officer used excessive force on him “without probable cause.”

Hadrian Mumpuku brought the 22-page suit on Nov. 6 in the Sherman Division of the Eastern District of Texas, alleging that Officer Brad Neal fired a Taser gun at him on Nov. 5, 2016.

Mumpuku was reportedly in search of assistance after his vehicle ran out of gas. According to court papers, Neal “unjustifiably stopped and detained (him) without any probable cause.”

The plaintiff recalls the officer then deploying the Taser in “stun mode,” which the complaint explains caused the former to suffer “extreme pain.”

Neal, who is a co-defendant in the case, allegedly continued to use the weapon on Mumpuku after he “went down writhing in pain.”

The original petition asserts that the plaintiff was unarmed and did not pose a threat at the time of the subject incident.

“The plaintiff hopes that through this case he will finally secure a full explanation of the events of that night; impose accountability on those responsible for his suffering and damages, receive fair compensation,” the suit says. “In the aftermath (the) plaintiff will share what he learns with others in order to prevent future needless injustices and/or deaths due to improper illegal use of Tasers.”

Consequently, Mumpuku seeks unspecified monetary damages and a jury trial.

He is represented by Emmanuel U. Obi of The Obi Law Firm, PLLC in Dallas.

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Sherman Division of the Eastern District of Texas Case No. 4:18-CV-0785