Also arrested in connection with the case were David Pineda Rodríguez of Guasave, Sinaloa, 33; Valentín Delgado Valle of Mexicali, 28; Ramón Bastidas Medina of Navolato, Sonora, 38; and Ramón Bojórquez Higuera of Mexicali, no age reported.
All four were arrested in a house south of the city.
The four were allegedly found with 26 2-pound packages of marijuana.
Three of the men tried to flee from the house, but state police caught the suspects immediately.
Authorities found at the home a 1992 Ford Mustang without registration, a 1984 Ford Thunderbird and a 1988 Ford Windstar LX. The Thunderbird and Windstar are registered in California. Authorities also seized paraphernalia for drug packaging at the home.
The arrests came in connection with the shooting deaths of Baja California police agents Alberto Camarena-Medel, Víctor Francisco López-López and Raul Inzunza Domínguez.
The bodies of the three agents were found May 7 near a canal south of Mexicali.
According to authorities, the agents were investigating a murder of a person thought to be connected to drug smugglers.Juan Manuel Salazar Pimentel, Baja California attorney general, said during a press conference May 8 authorities are trying to determining a motive for the killings.
According to Enrique Tellaeche, spokesman for the Attorney General's Office, up to 100 state agents participated in the investigation.
Staff Writer Arturo Bojorquez may be reached at 337-3451.