OPELOUSAS — A St. Landry Parish jury deliberated for less than 30 minutes before returning a guilty verdict against a Lawtell man accused of sexually assaulting an 80-year-old woman in 2009, the Louisiana Attorney General’s Office said Monday in a news release.

The aggravated rape conviction means Brian Malveaux, 30, now faces a mandatory life sentence.

Malveaux was indicted in 2010 on counts of aggravated rape upon a person over the age of 65; one count of home invasion of a person over the age of 65; and one count of simple robbery.

The incident occurred the night of Oct. 3, when Malveaux, armed with a knife, forced his way into the sleeping woman’s home, and demanded money and sex before attacking her, according to news releases.

Malveaux’s trial began and ended Wednesday, according to the state Attorney General’s Office. Assistant Attorneys General Matthew Derbes and Frank Brindisi prosecuted the case.

The 27th Judicial District Attorney’s Office recused itself from the case as the defendant was a relative of an employee there, said Amanda Larkins, a spokeswoman for the Attorney General’s Office.

Malveaux will be sentenced Aug. 18 before state District Judge Alonzo Harris.