A Montgomery County jury on Thursday convicted a Derwood man of a double murder in Rockville last year.

Kaloyan Stoev, 26, faces up to 150 years in prison for the Jan. 17, 2025, predawn killings of Marcell Hebron and Leilani Marroquin, according to a Friday statement from the Montgomery County state’s attorney’s office.

The killings were connected to a deal for Stoev to buy two ounces of marijuana from Hebron, court records said.

Hebron, 26, was in the driver’s seat of a BMW when Stoev shot him 27 times from inside and outside the vehicle, prosecutors said. Stoev then drove the car a short distance while sitting on top of Hebron’s body.

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Stoev was found guilty of two counts of second-degree murder, two counts of the use of a firearm in the commission of a felony and two counts of possession of a firearm while prohibited. His sentencing is Sept. 28.

Stoev’s private attorney, Audrey Creighton, declined to comment Friday afternoon.

Police found Hebron’s body in the driver’s seat of the BMW at about 3:15 a.m. at the intersection of Shady Grove Road and Research Boulevard.

Almost 4.5 hours later, investigators found Marroquin’s body in a hotel parking lot on Research Court. The 27-year-old had been in the BMW’s passenger seat.

Stoev used two handguns in the incident, shooting Hebron 27 times, prosecutors said. Marroquin ran from the BMW, and Stoev shot her five times.

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“Stoev then sat on top of Hebron’s deceased body and drove the vehicle to Shady Grove Road at Research Boulevard, where the car stopped running,” prosecutors said.

Stoev told investigators Hebron pulled a gun from his waistband, prompting him to draw a .40-caliber ghost gun and begin firing at Hebron.

He told police that when he was getting out of the vehicle he saw Marroquin reach into a glove box and retrieve a gun, so he shot her multiple times.

Stoev said he had known Hebron for 12 years.

Video surveillance showed Stoev running from near where Hebron’s body was found toward the hotel on Research Court around the time investigators discovered Hebron’s body, according to court records.

Stoev was staying at that hotel, police said. The morning of the shootings, a hotel employee saw him with a gun. He left the hotel about two hours after the shootings, but was arrested after returning, court records said.