After Saturday's fire, undercover arson investigators patrolling the park arrested Gary Allen Lintz, a 43-year-old Glendale transient who was already under probation for arson, according to officials. It is believed he was responsible for the series of park fires lit last week, but he was only charged for Saturday's fire when arrested. Saturday's fire burned approximately 3 acres and took around an hour to knockdown, according to the LA Times. more ›