Two Laramie residents were arrested for possession of controlled substances last week. Investigators believe Shawna Renee Zimmer and Trent James Michelson planned to distribute the drugs throughout Laramie.

Zimmer was charged with one count of delivery of the controlled substance heroin, one count of conspiracy to deliver heroin and one count of delivery of cocaine.

Michelson is charged with one count of possession of heroin greater than 3 grams and one count of possession of cocaine.

Prosecutors say Zimmer was under surveillance by police and a confidential informant purchased heroin from her on different occasions. On Nov. 19 authorities served Zimmer a search warrant at her home and found a digital scale, two bindles of suspected heroin, money a confidential informant used for the buy and other drug paraphernalia.

Michelson was also in the home at the time of the search. Investigators say he had cocaine and heroin in his possession. An investigation is still ongoing.