An 18-year-old man was booked into Sacramento County Jail this morning on suspicion of shining a laser at a California Highway Patrol airplane. Jacob George Risch was arrested on suspicion of discharging a laser at an aircraft and possession of small amount of marijuana. Sacramento police said that the CHP aircraft was flying over the Natomas area late Sunday night when a laser shined on the airplane several times. Police tracked the light to a home where they found Risch and a younger friend.