A forensic electrical engineer is disputing an argument made by defense attorneys for a Houston day care owner who is on trial for a fatal fire that killed four children.
Investigators allege that JessicaTata had left several children alone at her home to go shopping when oil in a pan ignited on a stovetop burner that had been left on.
The expert said he found no problems after examining the stove at Tata's home. Tata's attorneys suggest the stove may have malfunctioned.
The February 2011 fire also injured three of the children, who ranged in age from 16 months to 3 years old.
She faces a felony murder charge.