ST. CLOUD — A 17-year-old girl has been charged as the driver in a crash that killed a father and his young daughter in Sherburne County.

Court documents show the Little Falls teen was charged last week with two counts each of vehicular homicide and criminal vehicular operation, texting and driving, and driving without a valid license. Investigators searched the girl’s cellphone and determined she sent and received multiple messages on Facebook leading up to the fatal crash.

Authorities said 54-year-old Charles Maurer, of Becker, and his 10-year-old daughter, Cassy, were killed when a pickup truck driven by the teen slammed into their van July 21 near Becker.

Investigators initially identified an 18-year-old man as the driver of the pickup, but he and other passengers told state troopers that the 17-year-old was behind the wheel.