The Fire Killer

When DI Barton is asked to investigate a seemingly innocuous fire that kills he believes it's either children fooling around or a worrying racially motivated crime.As he delves deeper into the case he soon realises that there is a history of similar blazes spread out over many years all within a close area. And after an idea is suggested by pathologist Mortis Barton suspects he has the arsonist's motives wrong. When a night worker comes forward with a tip Barton narrows down the suspects. Yet all of them act suspiciously and he knows for sure that one or more of them are lying. And when a huge house blaze shocks everyone Barton fears the killer has lost all control.Who is The Fire Killer? What will be next to burn?