Ashbey Beasley and her 6-year-old son, Beau, were at this year's 4th of July parade during the shooting that killed seven people and injured dozens of others.
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She was not physically hurt during the attack, but said she's now devoting her life to stopping gun violence.
SEE ALSO | Highland Park mom forges new mission to combat gun violence
Beasley will head to the nation's capital next week to urge lawmakers to co-sign a federal assault weapons ban.
"This is really the prime time that we are hitting the ground with this and trying to get it done. Every legislator who co-signed the assault weapons ban bill won their election," Beasley said.
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Beasley is set to meet with Senators Kelly, Sinema, and Toomey during her upcoming trip to Washington, D.C.
She's previously met with a-dozen other lawmakers.
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