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An Olympus Cove man charged with killing his father two years ago by crushing his skull with a metal bar remains mentally incompetent to proceed with his prosecution, a judge determined Monday.

Christopher Lynn Robbins, 31, is charged in 3rd District Court with first-degree felony murder for the Aug. 1, 2014, death of 70-year-old Dennis Robbins.

Defense attorneys raised the issue of possible mental issues in January 2015, saying they believed Christopher Robbins suffered from "limited mental functioning."

A judge in April 2015, found Robbins was incompetent to proceed but is restorable, based on reports from mental health experts, and sent him to the Utah State Hospital for treatment.

Robbins appeared in court Monday before Judge Richard McKelvie, who found he is still not competent.

Another hearing to check on Robbins' progress was set for 18 months from now, on April 9, 2018.

Robbins was arrested on Aug. 1, 2014, after police responded to a call at the home at 4465 S. Mathews Way (4115 East) where he lived with his father and brother.

Unified Police Department officers say they the elder Robbins dead from an apparent "violent physical assault."

According to a UPD report, the brother was awakened by his father's screams and saw Christopher Robbins walk out of their father's bedroom and take a pair of latex gloves off his hands. A metal bar was on the floor next to Dennis Robbins' body, the report says.

Court records show that Robbins pleaded guilty in April 2004 in Ogden's 2nd District Court to enticing a minor over the Internet, a third-degree felony, and attempted suicide a few months later. He subsequently was sent to the Utah State Prison for a 90-day evaluation, after which he was sentenced to six months in jail and 36 months probation.

In 2006, he was sentenced to probation after pleading guilty in Utah County Justice Court to class B misdemeanor sexual abuse of a minor.

In September 2011, he pleaded guilty to a class A misdemeanor count of failure to register as a sex offender, for which he was sentenced to a year in jail, with all but 10 days suspended, and a year's probation.