Updated April 17: Revised to include suspect's assumed location.

Police say a 28-year-old man has fled to Mexico after killing his father at the Plano home they shared.

Kenneth Alleman Midgley II (Plano Police Department)

Officers were called to the home in the 4700 block of Nocona Drive, near Ohio Drive and Hedgcoxe Road, around 2:30 p.m. Saturday for a welfare check.

They found Kenneth Alleman Midgley, 50, dead inside the home.

After investigating, police obtained a murder warrant for Midgley's son, Kenneth Alleman Midgley II.

On Monday, police told KRLD-AM (1080) that they believe he has fled to Mexico.

Police said Midgley is thought to be driving a charcoal-colored four-door 2009 GMC Sierra 2500HD pickup with Texas license plate BVL 5331. He is described as 5-foot-7 and 130 pounds, with brown hair and brown eyes.

Anyone with information about Midgley's or the truck's whereabouts should call 911.