Steve Hlebo, 39, of Los Altos, is suspected of murdering his coworker, Kyle Myrick, late last week, police said.
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Investigators have determined Hlebo's white 2003 GMC Sierra 1500 truck is connected with the homicide, according to police.
The vehicle has tinted windows and a California license plate 60414R1, police Lt. Paul Spagnoli said.
There are some areas of the vehicle's front bumper that appear to be missing lights, Spagnoli said.
Police have been conducting a general search from San Jose to Los Altos for Myrick, but haven't centered their efforts on a focused area, according to Spagnoli.
Anyone who saw the truck between 6 p.m. Friday and 2 a.m. Saturday is asked to contact police.
WATCH VIDEO: Mother makes plea for public's help to find son believed to be killed
On Friday around 6:20 p.m., officers responded to a report of a suspicious circumstance at 2020 Camden Ave., interim police chief Eddie Garcia said.
GP Sports, a powersports dealership, is located at that address. The business carries new and used motorcycles, scooters, watercrafts and other vehicles, according to the company's website.
When officers arrived they were told Myrick had been missing for several hours and based on the nature of scene determined the case was a homicide, Garcia said.
Additional investigators responded to the scene and identified Hlebo as the suspect, who was taken into custody at his Los Altos home shortly after 2 a.m. Saturday, according to Garcia.
On Sunday, detectives re-canvassed the area around GP Sports and searched a property off of Mount Umunhum connected with the suspect, Garcia said.
Police were told that Myrick's body might have been disposed of in the ocean, according to Garcia.
WATCH VIDEO: San Jose police arrest man on suspicion of murdering co-worker
John Sparry, Myrick's stepfather, said his stepson was a good and kind person who was always willing to help his friends.
Myrick loved motorcycles, enjoyed his job and didn't complain of any problems with anyone at work, according to Sparry.
Myrick's family has also been conducting their own search for Kyle by looking in other areas including Lexington Reservoir and the Santa Cruz Mountains, police said.
Kelly Myrick, Kyle's mother, said she still believes her son is alive and other family members are searching for him.
"He's my baby, my only child and I want him back," Kelly Myrick said.
Anyone with information on the case is asked to call San Jose police Detective Sgt. Paul Hamblin or Detective Jason Tanner at (408) 277-5283.
Family & friends are searching for Kyle Myrick around the bay, Santa Cruz Mtns & Stevens Creek Reservoir. pic.twitter.com/4qj0IaJmj5— Matt Keller (@MattKellerABC7) January 25, 2016
28 yr old Kyle Myrick. Police say co-worker at GP Sports in San Jose killed him. Kyle's body hasn't been found. pic.twitter.com/CbCHO3TML7— Matt Keller (@MattKellerABC7) January 25, 2016
Family resumes search for body of 28 yr old San Jose man Kyle Myrick. His co-worker was arrested for murder. pic.twitter.com/qbTSdTUTJi— Matt Keller (@MattKellerABC7) January 25, 2016