This Parkland dad climbed a crane to protest gun violence. Now he’s visiting the White House.

In November 2018, they erected a 90-foot billboard featuring Joaquin Oliver in Boston’s Back Bay neighborhood near Fenway Park, home of the Boston Red Sox. Next to the teenager’s face were the quotes, “If I had attended high school in Massachusetts instead of Parkland, Florida, I would likely be alive today,” and “Gun laws save lives.”