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According to police and court records, Alan Glen Smith told his roommate he wanted to invite a male friend and his two young daughters over to the apartment. His roommate says Smith wanted to give the friend a sleeping pill so he could have sex with the girls.

In response to the allegations, the Weld County Sheriff's Office arranged an opportunity for Smith to purchase Ambien - a prescription sleeping aid - from undercover officers.

Smith was taken in custody after going to a Greeley Walgreens in June to pick up the drug.

In October, Smith pleaded guilty to one count of conspiracy to commit sex assault on a child.

He will be required to register as a sex offender.