Caltech Astrophysicist Carl Grillmair Killed in Shooting

Renowned California Institute of Technology (Caltech) astrophysicist Carl Grillmair, 67, was fatally shot at his home in Llano, California, on Monday, February 16, 2026. Authorities have arrested Freddy Snyder, 29, in connection with the murder, along with charges related to carjacking and burglary.

Details of the Incident

According to the Los Angeles County Medical Examiner’s office, Grillmair died from a gunshot wound to the torso The Guardian. Deputies responded to a 911 call at approximately 6:10 a.m. On Monday and pronounced Grillmair dead at the scene New York Post.

The Suspect

Freddy Snyder was arrested by the Los Angeles County Sheriff’s Department and is facing a murder charge in connection with Grillmair’s death, as well as charges of carjacking and burglary The Guardian. His bail has been set at $2 million New York Post. Snyder was previously arrested in December for trespassing on Grillmair’s property while armed with a rifle ABC7.

Carl Grillmair’s Career and Contributions

Carl Grillmair was a research scientist at Caltech’s Infrared Processing and Analysis Center, a collaborative effort involving NASA, the National Science Foundation, and researchers worldwide The Guardian. He had over four decades of experience in astronomy, with hundreds of publications and a distinguished career studying distant planets, galactic structure, stellar populations, and exoplanets New York Post, KTLA. He was known for his work analyzing data from NASA’s Spitzer Space Telescope KTLA and received an exceptional scientific achievement medal from NASA The Guardian.

Colleagues’ Reactions

Sergio Fajardo-Acosta, a colleague of Grillmair’s at Caltech for 26 years, described him as “irreplaceable,” praising his ingenuity, creativity, and generosity The Guardian, ABC7. Fajardo-Acosta emphasized Grillmair’s unique approach to problem-solving and his significant contributions to the field of astronomy ABC7.

Authorities have stated that they do not believe Grillmair and Snyder knew each other, and a motive for the shooting remains under investigation ABC7.