FILE - This Jan. 15, 2014 file photo shows a co-worker holding photos of victim Daisy Dahan before court at the Regional Justice Center in Las Vegas. Richard Magdayo Dahan is accused of killing his 28-year-old wife, Daisy Casalta Dahan. A Las Vegas judge is due to decide if Dahan, an unemployed chef, will stand trial in state court on allegations that he stabbed his wife to death. Dahan faces a preliminary hearing Thursday Feb. 27, 2014 for the Jan. 10 slaying of Daisy Casalta Dahan. (AP Photo/Las Vegas Sun, Steve Marcus, File)