Man kills 5 in Arizona and abducts children before committing suicide in Rancho Cucamonga A 26-year-old man who abducted his children from Lake Havasu City, Ariz., after fatally shooting their mother and four others was found early Sunday in Rancho Cucamonga, the victim of an apparent suicide. On Saturday night, Brian Stephen Diez entered a residence in the 300 block of Opossum Drive in Lake Havasu City and shot six of its occupants, including his estranged girlfriend Deborah Langstaff, 23, according to Charlie Cassens of the Lake Havasu City Police. Diez then left the scene with his children Kaia, 4,...