A man suspected of killing a 75-year-old San Marcos woman was designated "Fugitive of the Week," and a $10,000 reward was offered in an effort to capture him, according to the Sheriff's Department.Sheriffs officials believe Julio Cesar Jacobo-Curiel, 57, strangled Mimi Rohwer, whose body was found Jan. 23 in her mobile home in the 1200 block of Barham Drive after her family called and asked sheriff's deputies to check on her.Authorities said she befriended Jacobo-Curiel years earlier when she hired him to do some work on her home. Eventually they moved in together. But she had since grown tired of the relationship and asked him repeatedly to move out. Jacobo-Curiel is Hispanic, 5 feet 4 inches tall and 175 pounds, with brown eyes and black hair. He sometimes wears eyeglasses. San Diego County Crime Stoppers is offering a $10,000 reward for information leading to his arrest. Anyone with information about the suspect is asked to call 888-580-TIPS.