In Honor of a Morning Show Camera Assistant Who Was Tragically Killed on a Motorcycle, Jennifer Aniston.

An Emmy Award-winning series camera assistant, Erik Gunnar Mortensen, was killed in a motorbike accident on a Southern California highway on Monday at the age of 39. The incident included only one vehicle, and the cause is still being investigated.

Jennifer Aniston posted an Instagram Story tribute to Mortensen on Thursday, including photographs of him and his wife Keely and their 2-year-old son Lars.

As a member of Local 600 for 13 years, Mortensen was elected to the National Executive Board of the International Cinematographers Guild in 2013 and has been a co-chair of the Active Engagement Committee since 2017, per Variety.