A $100,000 bond has been set for a 38-year-old truck driver facing four counts of criminally negligent homicide for a Christmas Eve traffic wreck that killed four members of a Rio Grande Valley family.

Authorities say Antonio Quintero of Weslaco is jailed in Willacy County.

Texas Department of Public Safety Lt. Johnny Hernandez says Quintero lost control of his tractor trailer and collided with a pickup truck driven by 34-year-old Luis Cantu, of Lasara. Besides Cantu, three others in the pickup ” 37-year-old Elizabeth Murad, 14-year-old Delroy Cantu, and 8-year-old Luis Cantu Jr. also died.

Willacy County Sheriff Larry Spence tells the McAllen newspaper, The Monitor (http://bit.ly/2ioe8Sh ) the tractor-trailer was traveling “at an unsafe speed” during drizzle when the crash occurred on a curve along Texas Farm-to-Market Road 186.