The Los Angeles Fire Department released the video taken just before 5:30 a.m. on Oct. 28, 2012.
The footage shows a man getting out of his car near a dumpster in Chatsworth and then a large flash.
Twelve blazes were intentionally set in the area between Oct. 21 and Oct. 28 at several locations including De Soto Avenue near Parthenia Street, near Desoto Avenue and Lassen Street, on Lassen Street near Corbin Avenue, and on Devonshire Street near De Soto Avenue and near Mason Avenue.
Anyone with information regarding the series of fires was urged to contact arson and counterterrorism officials at (213) 893-9850.
CNS contributed to this report.