Investigators are searching for a 30-year-old man on suspicion of stabbing to death his ex-girlfriend’s new boyfriend earlier this month after he left her apartment, Anaheim police said Tuesday, Oct. 31.

Police say that Oct. 19 Humberto Rodriguez-Martinez and his friend Adan Zapot-Leyva waited outside the Anaheim apartment of Rodriguez-Martinez’s ex-girlfriend then attacked him. Around 5 a.m., officers were called to a fight near the apartment at Santa Ana and Helena streets, said Anaheim police Sgt. Daron Wyatt.

The first officers there found 32-year-old Daniel Reyes, of Los Angeles, with at least one stab wound. He was pronounced dead at the scene.

“The investigation revealed Rodriguez-Martinez was jealous of Reyes who was now dating his former girlfriend,” according to Wyatt.

The friend, Zapot-Levya, was arrested two days after the attack and was charged in Reyes’ death. He is being held in lieu of $1 million. Police have issued an arrest warrant for Rodriguez-Martinez who fled the scene.

His Toyota Corolla was found in San Diego one week after the attack, and investigators believe he may be hiding in that area. Investigators are asking the public for any information leading to Rodriguez-Martinez’s whereabouts. He is considered armed and dangerous.

Anyone with information is asked to contact Orange County Crime Stoppers at 1-855-TIP-OCCS or occrimestoppers.org. A $1,000 reward may be paid for information leading to his arrest and conviction.