Mendioloa received the guilty verdict June 18, following a trial that began June 7 and involved 38 prosecution witnesses. The testimony from witnesses revealed that Mendiola ordered the drugs from areas in California such as Van Nuys and Lancaster.
On March 13, 2007, a local shipping store owner in California discovered six kilograms of cocaine and one pound of methamphetamine in a parcel bound for an address in the Muldoon section of Anchorage. The DEA seized the package but could not do an undercover delivery, as the sender of the package apparently warned Mendiola of the interception of the package. At trial, testimony from cooperating witnesses, as well as photographs taken at the time, linked Mendiola to the seizure.
Mendiola was also linked to sales of cocaine, crack cocaine, and methamphetamine by accomplice Bernard White (a.k.a. "Garcia") during an Anchorage PD investigation in October 2007. Testimony showed that Mendiola was White's source of drugs, and surveillance video of one of the drug sales revealed Mendiola's presence in the passenger seat.
During White's arrest on October 31, 2007, the Anchorage PD executed a search warrant at a house on the lower hillside in Anchorage, and recovered approximately 1/2 kilogram of cocaine, drug paraphernalia, and five firearms, including two MAC-10 machine guns, a Kel-Tec rifle, and two semi-automatic pistols. Mendiola and accomplice Phonesavanh Vongthongdy (a.k.a. "Noi"), who had just left the residence prior to the execution of the search warrant, were linked to both the firearms and the drugs.
Testimony at trial revealed that, after these seizures, Mendiola and his girlfriend Seirosa Milo (a.k.a. "Losa") imposed a curfew on another accomplice that they feared would cooperate with the police. When the accomplice broke curfew on one occasion, he was beaten by other members of the conspiracy.