Walworth County Sheriff Releases Information on Drug Arrests in Whitewater

The Walworth County Drug Enforcement Unit, with the assistance of the City of Whitewater Police Department and the University of Wisconsin-Whitewater Police Department, conducted an investigation into the sale of illegal controlled substances in the City of Whitewater, Walworth County, Wisconsin. The investigation included controlled buys and concluded with the execution of a search warrant.

On June 19, 2025, at approximately 9:16 a.m., the Walworth County Drug Enforcement Unit, assisted by the City of Whitewater Police Department and the University of WisconsinWhitewater Police Department, executed a drug search warrant at the residence of 606 E. North Street in the City of Whitewater, Walworth County, Wisconsin.

A resident, Yovani Ramirez Mendoza (11/28/1996), currently out on bond for the following cases: Walworth County: 2024CF000409, 2024CT000710, 2024CF000526, 2024CT000805, 2025CT000028, and 2025CF000021; Jefferson County: 2024CF000346, was detained.

While searching the residence, Cocaine, suspected Dimethyltryptamine (DMT), THC, Psilocybin Mushrooms, drug paraphernalia, and one firearm were located and seized. A large indoor Psilocybin Mushroom grow operation was also located in the basement of the residence. Ramirez Mendoza was arrested and transported to the Walworth County Jail and confined on the following charges:

Maintaining a Drug Trafficking Place – 961.42(1) Possession With Intent to Deliver Cocaine 2nd & Subsequent – 961.41(1m) (cm)3
Possession With Intent to Deliver THC 2nd & Subsequent – 961.41(1m) (h)1
Possession With Intent to Deliver DMT 2nd & Subsequent – 961.41(1m) (hm)4
Possession With Intent to Deliver Psilocybin 2nd & Subsequent – 961.41(1m(g)2
Possession of Drug Paraphernalia 2nd & Subsequent – 961.573(1)
Possession of a Firearm by a Felon – 941.29(1m) (a)
Felony Bail Jumping – 946.49(1)(b)
Child Neglect – 948.21(2)(g)
All the above-listed drug charges also include a criminal enhancer of Within 1000 feet of a School – 961.49(1m) (b)6

Another resident, Stephanie Anguiano (05/10/1991), will have charges referred to the Walworth County District Attorney’s Office of:

Possession of a Firearm by a Felon/Party To A Crime – 941.29(1m)/939.05
Maintaining a Drug Trafficking Place/Party To A Crime – 961.42(1)/939.05
Child Neglect – 948.21(2)(g)

Additional aspects of this investigation are still ongoing.

Pursuant to the directive of the Wisconsin Supreme Court, as found in Supreme Court Rule 20:3.6, Trial Publicity, you are advised that a charge is merely an accusation and that a defendant is presumed innocent until and unless proven guilty.