PLACER COUNTY (CBS13) — A boy battling a terminal disease got a special visit Tuesday from Placer County Sheriff’s Deputies.

The deputies surprise 11-year-old Miller Greenfield at Kaiser Roseville.

READ MORE: Gov. Newsom Makes California’s Voting By Mail System Permanent

Miller was diagnosed with a neurodegenerative disease, one of only seven documented cases around the world.

MORE NEWS: R. Kelly Found Guilty Of All Counts In Sex Trafficking, Racketeering Trial

His dream was to become a cop, and his parents say the visit kept his spirits high.