Claremont Courier Logo
Claremont Courier Logo
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Police Blotter: March 17, 2023

Tuesday, February 28

According to the Claremont Police Department, sometime on Tuesday, Claremont resident Dr. Jia Mao, 38, left several voicemails on a victim’s phone during which she allegedly threatened to have someone kill the victim. Police were able to identify Dr. Mao and arrested her on Friday, March 3. Based on her behavior while in custody she was taken for an evaluation. She later posted bond and has a court date Friday. Police said the Los Angeles County District Attorney is due to announce this week the charges Dr. Mao will face.

Sunday, March 5

At 3:05 p.m. Claremont police responded to Monte Vista Avenue adjacent to the city yard regarding a traffic collision. Police said that a car driven by Alta Loma resident Jessica Hernandez, 28, was traveling north on Monte Vista when it rear-ended another vehicle. While questioning Hernandez police said she displayed signs of being intoxicated. She was given a field sobriety test and arrested for DUI. She was then transported to the Claremont jail, booked, and held for detoxification. Hernandez was later released with a notice to appear at Pomona Superior Court.

Tuesday, March 6

Police received a 911 call at 12:29 a.m. about a female who was bleeding from her head at Bonita Terrace Apartments in the 600 block of Bonita Avenue. Police questioned the woman and she said she did not know why she was bleeding. The Los Angeles County Fire Department arrived to treat her injuries, after which she allegedly told the police that she had been in a verbal argument with her boyfriend, a 43-year-old Claremont man. During the investigation police determined that her boyfriend had caused the injuries. Officers located the man in a car in the parking lot at the apartment complex and arrested him for felony domestic violence. He was taken to the Claremont jail where he was booked and held for court.

Wednesday, March 8

Police were called at 9:26 p.m. to a home in the 100 block of E. American Avenue regarding a family disturbance. Officers contacted a 50-year-old Claremont man and said he appeared to be very drunk. Police said the man got into an altercation with his six-year-old grandson and assaulted his daughter in front of the boy when she stepped in to protect her son. The man was arrested on misdemeanor charges of battery and child abuse. He was transported to the CPD jail held for detoxification and later released with a citation to appear in court.

Friday, March 10

A person at Eureka Burger, 580 W. First Street, called police at 3:28 p.m. about a patron who was refusing to leave. When police arrived they encountered Pomona resident Thomas Edwards, 68, and said he appeared to be quite intoxicated. A records check revealed he also had a no-bail warrant in San Bernardino County. He was arrested for misdemeanor public intoxication, held for detoxification and later transferred to West Valley Detention Center in Rancho Cucamonga on the felony warrant.

A solo vehicle traffic collision at 760 N. Towne Ave. prompted a call to police at 6:54 p.m. When officers arrived they reportedly saw a car that had collided with a pole, and Nathan Nociar, 55, of Claremont, close by. During questioning police said Nociar appeared to be intoxicated. Officers conducted field sobriety tests and arrested him for DUI. He was transported to the CPD jail, booked, held for detoxification, and later released with a citation.

Police received a call at 10:19 p.m. about two cars speeding on the top level of the city’s parking structure in the 400 block of W. First Street. Police conducted a traffic stop on Pomona resident Danny Gutierrez, 20, and said he appeared to be drunk. Police allege there were multiple open containers of alcohol in his car, and after a field sobriety test, determined that Gutierrez was intoxicated. They also located a handgun with a missing or obscured serial number, referred to as a “ghost gun.” Gutierrez was arrested for misdemeanor DUI and carrying a concealed ghost gun, a felony. His passenger, Pomona resident Sergio Maytorena, 28 was arrested on an outstanding misdemeanor warrant. A third passenger, Allan Diaz, 21, was cited for having an open container and released at the scene. Gutierrez and Maytorena were arrested, taken to the CPD jail and later released with citations.

At 10:24 p.m. police received a 911 call about a car with apparent collision damage stopped in front of a house in the 800 block of Huron Drive. When police arrived they encountered Fontana resident Karina Donaldson, 27, standing beside the vehicle. During questioning they suspected she was intoxicated. She then took field sobriety tests, which police said showed she was driving under the influence. She was arrested for misdemeanor DUI and transported to the CPD jail. While in the cell Donaldson allegedly  damaged one of the jail phones and a misdemeanor vandalism charge was added. She was held for detoxification and later released with a citation.

A man called police at 12:47 p.m. to report that someone had stolen the catalytic converter from the Toyota Prius parked in the driveway of his home in the 200 block of Alfred Drive. He reportedly had been gone for a week, and when he returned and attempted to start the vehicle it was very loud. Police have no suspect information.

Wednesday, March 15

The man police arrested on February 26 for felony DUI causing injury has now been rearrested for vehicular manslaughter following the death of his female passenger. On Wednesday morning Claremont police traveled to the Riverside home of Jerson Coronado Mauricio, 25, and took him into custody on the manslaughter charge. The woman was injured when Coronado Mauricio allegedly lost control of his car while attempting to get on the 10 Freeway and collided with a pole. Coronado Mauricio told police at the scene that another car was involved but that now appears to be false, police say. Coronado Mauricio was being held on $100,000 bail as of Wednesday.

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