We turn to that strange and scary series of fires hitting northern california. Police in san jose trying to track down an arsonist on the loose before he strikes again. Aditi roy has the details.... See More
We turn to that strange and scary series of fires hitting northern california. Police in san jose trying to track down an arsonist on the loose before he strikes again. Aditi roy has the details. Reporter: Raging fires, charred homes and skeletons of buildings. Authorities in san jose, california, say it's the work of a mystery arsonist who set 11 blazes in 6 days since last wednesday. People should not be living in fear. Reporter: Authorities w talk to the man in this surveillance video who they believe is connected to the fires. You can see him walking back and forth four times minutes before another fire burns across the street. When you see the destruction here, what do you want to say to the arsonist? Stop. Stop this craziness. Reporter: Sharon and vincent barely made it out of their home alive after it went up in flames early saturday morning. This church has been hit twice. The damage, $70,000. Investigators say the arsonist strikes in the early morning hours working within a five-mile radius. He's operating at a set period of time within a specific area. We're hoping that we can bring this thing to an end. Reporter: No one has been injured in the fires. This couple who say they don't have insurance and may not be able to go back home now just hoping it doesn't happen to anyone else. We had planned to take our retirement here, of course, but unfortunately this is not going to happen. Reporter: For "good morning america," aditi roy, abc news, san jose, california.
This transcript has been automatically generated and may not be 100% accurate.