WACO, Texas — A Killeen family is speaking out about teen vaping after watching their daughter struggle with what they believe were physical and emotional effects tied to vaping. Donnie Griffin said he and his wife began noticing changes in their daughter before learning she had been vaping. "We started noticing the difference of like, 'What is wrong with you, you know, like what's going on?'" Griffin said. Griffin said he initially did not believe vaping could be the cause.