Monterey County District Attorney Jeannine M. Pacioni Appoints Matthew L’Heureux to Assistant District Attorney

SALINAS, California - Monterey County District Attorney Jeannine M. Pacioni announced on October 15

the appointment of Matthew L’Heureux to the position of Assistant District Attorney.

Matthew L’Heureux was raised in San Diego, California. He received a Bachelor of Arts in

Literature/Writing from the University of California, San Diego. He attended law school at University of

California College of the Law, San Francisco (formerly UC Hastings College of the Law) where he

earned his Juris Doctor with a concentration in criminal law.

L’Heureux has worked as a Deputy District Attorney with Monterey County since August of 2012.

While he has held a variety of meaningful assignments over his 12 years with the office, his proudest

achievement to date has been assisting with the creation and implementation of the Monterey County

District Attorney’s Office Cold Case Task Force in 2020, which represents the most comprehensive

effort of county law-enforcement agencies to collaboratively re-open and investigate cold-case

homicides. L’Heureux was a member of the prosecution teams that successfully convicted Alfred

Powell for the 1982 murder of Sandra Steppuhn of Seaside; Charles Allen Holifield for the 1998

kidnapping and murder of 13-year-old Christina Marie Williams of Seaside; Anthony Martezz Randall

for the 1995 murder of Lloyd Perkins, Jr. of Seaside; Michael Scott Glazebrook for the 1981 sexual

assault and murder of Sonia Herok-Stone of Carmel; and Jimmy Torres Rodriguez for the 1999 murder

of Elias Gutierrez Diaz of Salinas.

In 2022, L’Heureux received the “Prosecutor of the Year” award from the California District

Attorney Investigators’ Association. He has taught a variety of courses to attorneys, law students and

police agencies on topics including legal writing and research, trial advocacy, opening statements and

closing arguments, appellate advocacy, report writing/courtroom testimony, the stages of criminal

prosecution, conditional examinations, and how to prevent against elder abuse.

L’Heureux is a welcome addition to the District Attorney’s management team which consists of

Chief Assistant District Attorney Berkley Brannon, Assistant District Attorneys Marisol Mendez, Lana

Nassoura, and Greg Peterson. He will begin his new position on October 19 and will supervise our

felony team and continue to oversee the Cold Case Task Force.

Comments

King City Man Arrested on January 6 for Rape, Unlawful Sexual Intercourse with a Minor and Kidnapping

According to King City Police Department, on December 30, 2024 a 17-year-old minor female victim reported that she had attended a party on the 100 Block of Bedford Circle on December 24, 2024. During the party, the suspect provided her with alcohol. He then pulled the victim into a bedroom, forcibly removed her clothing and had sexual intercourse with her against her will. This case was investigated by the King City Police Department Investigations Unit which resulted in the apprehension and arrest on January 6, 2025 of the suspect identified as 21-year-old Jesus Oseguera Briseno of King City. Briseno was also booked into the Monterey County Jail charged with Rape, Unlawful Sexual Intercourse with a Minor and Kidnapping. Anyone with further information regarding this case is encouraged to contact the King City Police Department at (844) 844-3382; Sergeant Josh Partida (831) 385-4848 or jpartida@kingcity.com; or the WeTip line at 1-800-78-CRIME. Your call may remain completely ano...

King City CHP is searching for person of interest who fled the scene of a fatal crash in Greenfield

On Monday, September 16 at approximately 3:50 pm, a fatal traffic collision occurred on Metz Road south of Elm Avenue in Greenfield. The driver who caused the collision fled on foot and is currently outstanding. The California Highway Patrol King City Area is currently seeking the whereabouts of 31-year-old Agustin Santana-Moncada of King City who has been identified as a person of interest in the case. The King City Area is requesting assistance from the public in locating Santana-Moncada. Anyone with information is asked to contact the King City Area office at (831) 385-3216.

Homicide of Inmate at Salinas Valley State Prison in Soledad Under Investigation

APRIL 8, 2025 SOLEDAD, CA – California Department of Corrections and Rehabilitation (CDCR) officials are investigating an alleged homicide of incarcerated person 36-year-old Joseph Mendoza which occurred on Tuesday night, April 8, 2025, at Salinas Valley State Prison (SVSP) in Soledad. At approximately 5:39 p.m., staff observed incarcerated persons 30-year-old Edgar Frayre and 32-year-old Nicolas Young attacking Joseph Mendoza with improvised weapons on the dayroom floor in Facility C. Staff immediately responded and issued several verbal commands to stop, which were ignored. Staff then deployed multiple less-than-lethal use-of-force options, which ultimately quelled the incident. Frayre and Young were secured in handcuffs. Medical aid was initiated for Mendoza; however, he was pronounced deceased at 6:10 p.m. Medical evaluations were conducted on Frayre and Young, and no serious injuries were reported. Frayre and Young have been placed in restricted housing pending an investigat...

KRKC COUNTRY

Search This Blog