Federal safety regulators are now investigating the fatal Tesla crash in Katy, Texas, where a Model 3 left a residential road, tore through a brick home, and killed a 76-year-old woman inside.

The National Highway Traffic Safety Administration said Monday it is examining the June 20 crash, after the driver told deputies his Tesla was on Autopilot at the moment of impact.

A driver told Harris County investigators that his Tesla was on Autopilot before it left a residential road in Katy, Texas, crashed through the brick wall of a home, and killed a 76-year-old woman inside.

The crash happened around 8 p.m. Friday in the 21300 block of Rose Hollow Lane, according to the Harris County Precinct 5 Constable’s Office and the Harris County Sheriff’s Office.