In many cases, the children shot themselves, while others killed siblings or friends, according to the gun control advocacy group.
At least 157 people were killed and 270 were injured last year in unintentional shootings by children, according to Everytown, an advocacy group for firearm safety.
According to the pro-gun community, themselves a notorious source of unreliable information. Their opinions on Everytown are about as reliable as anti-vax groups opinions on the WHO (and for exactly the same reasons)