text:  Correspondent Lisa Dwyer reports a man responsible for the deaths of eight migrants in Texas has received a lengthy sentence. 35-year-old George Alvarez was found guilty of intoxication manslaughter and the deaths of eight people struck by the SUV he was driving at a crowded bus stop outside a migrant shelter in Brownsville, Texas. Alvarez was also convicted on 10 counts of aggravated assault with a deadly weapon.