Found this on an search from news.lalate.com
To date, LAFD has been handling two different arson cases. They confirmed that a first round of fires was set by one person; they believe that suspect is 22-year-old Samuel Arrington of Sunland.
A second round of fifty-five fires were set by a separate person, LAFD tells news. Investigators claim “A total of 55 fires of concern have broke out in the Los Angeles area over the last four days from 12/30/11 to 01/02/12. ” Forty-five fires have erupted in the Los Angeles area, nine in West Hollywood, and one in Burbank.