It took former NBA talent and broadcaster Mike Gminski years to develop a hazardous dependence on alcohol, but it only took him one moment spurred by his son to realize there was a better way forward.

SAN ANTONIO – KSAT Investigates dug into a growing problem unfolding inside classrooms: students hurting educators. “Dangerous Lessons,” a new investigative special, will premiere at 9 p.m. Monday on ...