Nicholas Joseph Dolce - AKA "Marty Whitehorse" and other aliases - is wanted for the murder of his mother more than 40 years ago in Trinidad.
Dolce, born Jan. 12, 1950, had a violent history prior to the slaying and started using heroin and speed as a youth.
His mother, Rebecca Bates, 64, was struck with a stick and stabbed on May 2, 1986, at her home at 218 East Johnson Avenue. After the killing, he showered, packed his belongings in his mother's auto - and set fire to the dwelling with gasoline. He was 36 at the time.
Dolce was last seen on Sept. 2 of that year. A potential sighting was reported in Trion, Georgia, in 2021. There was also a possible sighting at the 1987 Colorado State Fair in Pueblo.
In addition to Marty Whitehorce, Dolce used other aliases: Ed Velencia, Edward Bear, Amos A Maes, Richard Jake DanKert, Eddie Valcia, Edward Valcia, Eli Velasquez, Nick Dolsi, Dale Valicia, Edward Dale Valicia, Edward Dale Valcia, John McGregor and others.
At the time of the killing, Dolce was described as 5-foot-6, 130 pounds with brown eyes and brown hair, according to the Colorado Bureau of Investigation.
His left or right pinky finger had an untreated break and was shorter than the other. He also had a scar on his buttocks, a scar on one of his knees from a possible gunshot wound and a scar above his right eye.
Dolce may have been armed with a .25-caliber semi-automatic pistol.
[Photos: CBI]











































