New video shows a mystery person set multiple small fires along the back wall of the 99 Cents Only store on SH-249 near Bammel North Houston Road.
Authorities said a sprinkler head activated and put out the flames. There were no injuries.
If you have any information on the suspect, call Crime Stoppers at 713-222-TIPS. You can also submit an anonymous tip at www.Crime-Stoppers.org.