POCATELLO — The Chubbuck man accused of killing a Pocatello woman in a drunken driving crash last month now faces additional felony charges related to drug trafficking and unlawful weapon possession.

Guy Garry Guerrero, 25, was charged Friday with possession of a controlled substance with the intent to deliver — marijuana — and possession of a firearm while under the influence, as well as misdemeanor possession of drug paraphernalia, according to police and court records the Idaho State Journal obtained Monday.

The new charges stem from evidence police collected at the scene after the Dec. 27 crash that killed Lena Phelps, 29, of Pocatello. Prosecutors also presented police with evidence related to communications Guerrero made while incarcerated at the jail following his arrest.

According to a Pocatello police affidavit of probable cause filed in 6th District Court, officers found $3,785 in cash hidden in bushes near Guerrero’s 2022 Ford F-250 at the crash scene. Some of the bills had blood on them, police said.

A K-9 indicated drugs were inside the truck, which was then towed to the police department for the execution of a search warrant, the affidavit states.

Officers executed the warrant Dec. 29, locating a 9mm Sig Sauer handgun, a partially empty box of 9mm ammunition, 24 boxes of vapes containing 2 grams of THC each, $166 in cash, an iPad and THC-infused gummy candy, police said in the affidavit.

Further, Guerrero admitted in recorded jail calls that he had stashed the money found at the scene, indicated he had other illicit products at a residence that needed to be disposed of and confirmed he was the driver of the vehicle in the crash, police said.

Court records state that communications via jail calls and texts indicate sales are still being made to raise bail money and offload product. While attending Phelps’ autopsy Dec. 30, police contacted the Bannock County deputy prosecutor handling Guerrero’s case and learned of the incriminating communications.

The prosecutor showed police the transcriptions of jail calls Friday, including a conversation regarding the sale of potentially 300 THC vapes, according to the affidavit.

The cash found in the bushes and truck was seized as asset forfeiture related to drug trafficking. Police also obtained a DNA sample from Guerrero Dec. 31 following approval from a judge. The new charges were filed against Guerrero on Friday morning at the Bannock County Jail.

Guerrero was previously charged with vehicular manslaughter and aggravated driving under the influence in connection with the Dec. 27 crash. Police said he was driving over 100 mph when he ran a red light at North Arthur Avenue and West Clark Street, striking Phelps’ 2008 Chrysler PT Cruiser. Phelps died at Portneuf Medical Center later that evening.

Her boyfriend, Treston Hadley, 30, who was a passenger in the vehicle, suffered two collapsed lungs, a lacerated liver, a broken jaw and other injuries. Phelps’ family is asking for the community’s help in donating to Hadley’s recovery journey and to a nonprofit that helps women transitioning into society following incarceration, homelessness and treatment centers.

Court records also state that Guerrero’s vehicle was suspected of being involved in several shootings in the bar district and on East Oak Street hours before the fatal crash. Spent 9mm casings were found at those shooting scenes. Guerrero has not yet been charged in connection with those incidents.

He is being held at Bannock County Jail on $500,000 bond on the initial charges and an additional $50,000 bond on the new drug and weapons charges, court records show.

He is scheduled to appear in court Wednesday for a preliminary hearing on the vehicular manslaughter and aggravated DUI charges. His preliminary hearing on the new charges is set for Jan. 15.

The possession of a controlled substance with intent to deliver charge carries a maximum penalty of five years in prison and a $15,000 fine. Each of the vehicular manslaughter and aggravated DUI charges carries a maximum penalty of 15 years in prison.