From a music exec to photographer to martial artist, more is being learned about the lives lost in the early morning crash that took six lives.

Fears are growing for a beloved rocker named Daniel Williams after a plane crash due to eerie Instagram photos he posted inside a cockpit. Williams was formerly a drummer for the band Devil Wears Prada.

A Cessna 550 crashed into a Murphy Canyon neighborhood just before 4 a.m. with an unknown number of people on board. Several home caught fire as an apparent result of the crash, leading to evacuations in the military housing neighborhood. Fire fighters are continuing to try to contain the blazes, with smoke visible from outside the neighborhood.

The weather alert system and runway lights weren’t working at a foggy San Diego airport where a private jet was planning to land before it crashed into a neighborhood, NTSB officials said Friday, adding that they haven’t yet determined the cause of the crash.