A rookie U.S. Customs agent slain last week at her South Bay apartment -- allegedly by her estranged husband, who's believed to be hiding out in Mexico -- will be laid to rest this weekend, officials announced Wednesday.A public viewing and rosary for Maribel Arteaga, 28, will take place Friday evening at Humphrey's Mortuary in her hometown of Chula Vista, followed by a private memorial service Saturday morning at Holy Trinity Church in El Cajon, according to Customs and Border Protection public affairs.Arteaga was two months pregnant with her third child when she was stabbed to death at her Santa Alicia Avenue residence last Thursday.Witnesses told police that 28-year-old Jesus "Alex" Arteaga Garcia knocked on his wife's front door just before 8:30 that night and and attacked her with a long-bladed hunting knife or fishing knife when she answered.The couple's sons, ages 4 and 6, were home at the time of the attack. So was the victim's live-in boyfriend, an employee of the federal Department of Homeland Security, though he was in another room.Jesus Arteaga's gray Ford Ranger pickup truck was found abandoned in Tijuana on Friday night. The suspect, who filed for divorce in November, grew up in the northern Baja California city.His wife of eight years had worked as a Customs officer since last spring.Savings accounts have been established to help provide support for the couple's sons. Anyone wishing to contribute is asked to contact Cabrillo Credit Union at 858-547-7400, ext. 540, and reference account No. 192541.