"I support you and you are valid," the school massacre survivor wrote to the congresswoman. "There are many more of us that support you than don’t."
Amanda Chase is facing backlash over the ad, which she said was a mistake.
Jones accused teenage school shooting survivor of being a “crisis actor.”
The video was viewed more than 200,000 times before it was removed by the site.
They’re dismissing arguments in favor of gun control by targeting the students themselves.
“This is about us begging for our lives,” said Cameron Kasky, a junior at Marjory Stoneman Douglas High School.