Business records also show that Kenneth Chee is the owner of the business at the San Francisco property. Chee, the 48-year-old CEO of the company, was denied a license from the Bureau of Alcohol, Tobacco, Firearms and Explosives to possess fireworks and had a history of firearm convictions, the San Francisco Chronicle reported.

There is more criticism for the fireworks company at the center of the criminal investigation, Devastating Pyrotechnics — this time from a leader in the national fireworks industry.

Officials searched a San Francisco home registered as the address for Devastating Pyrotechnics' CEO. Seven died in an explosion at the company's warehouse in Yolo County last week.

Cal Fire's state fire marshal was leading the investigation at the Inner Richmond home on 2nd Avenue, between Geary Boulevard and Anza Street, a Yolo County spokesperson said.

A 22-year-old man died a week after a fireworks explosion in Pushmataha County left several people critically injured.

A man was killed in a Los Angeles home following a massive fire that investigators say was caused by commercial-grade fireworks.

Ely Smith, a graduate of Vian High School and one of the three victims admitted in critical condition, died on July 8.

The Ramos family has been holding a vigil near the site of a fireworks facility explosion where authorities uncovered seven bodies. The family still has no answers about the cause of the explosion or confirmation if their family members are among the dead.