Twenty-six-year-old Angel Montoya was found guilty Monday in the 2007 death of Neveah Gallegos.
KMGH-TV reports (http://bit.ly/ISdf0r ) Montoya faces life in prison.
Prosecutors say he killed Neveah while her mother was at work, and that the couple made up a story that the girl had been kidnapped.
Neveah's mother, Miriam Gallegos, is serving 12 years in prison, followed by five years of mandatory parole for child abuse resulting in death.