TRUCKEE, Calif. — Authorities arrested a suspect in a pair of murders in California and Florida after a traffic stop Saturday evening on Interstate 80 near Donner Lake.

According to the Truckee Police Department, officers joined the California Highway Patrol in the 10:30 p.m. stop of a vehicle driven by 33-year-old McKinley Calvin Williams.

After TPD’s canine alerted on the car, a search revealed a small amount of marijuana and more than 100 various credit cards in an unidentified female’s name.

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Officers also found several pre-paid gift cards, altered debit cards, pre-paid cash cards and numerous receipts of recent transactions for high-end apparel from different states across the country.

Williams and his passenger, 23-year-old, Karion Jennae Bickham, of Kennesaw, Ga., identified themselves as Florida residents. Both were arrested and booked into the Truckee Jail on suspicion of several fraud-related charges.

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During booking, officers confirmed Williams falsely identified himself, and he had two outstanding warrants for murders in Fresno, Calif., and Florida.

The Fresno warrant alone carried $1 million for bail.

According to media reports, Williams, listed as an Elk Grove, Calif., resident, is suspected in the shooting death of Johnnie Massey, 28, of Fresno, on April 20, 2012.

Officers located a second Florida Driver License with Bickham’s picture and a fictitious name that matched the name on the numerous credit cards found in the vehicle, according to TPD.

Neither Williams nor Bickham had known ties to Truckee; police believe they were traveling through to “continue their fraudulent, multi-state shopping spree,” according to a statement.

“These types of arrests are excellent examples of how our officers use keen investigative abilities and take the initiative to look beyond just what is in front of them while on the side of the road during a traffic stop,” TPD Sgt. Danny Renfrow said in a statement. “At this point it’s unclear how many fraud victims are associated with this case, and we will be continuing the investigation.”