Daily drumbeat of child homicides gets little notice

Newtown anniversary: Daily drumbeat of child homicides gets little notice

From left to right, from top: Alton and Ashton Perry, Leonard J. Smith Jr., Aaron Vu; Middle: Sebastian Swartz, Tiana Ricks, Mia Lopez; Bottom: Antonio Santiago, Jaiden Dixon, Madison Dolford.

Just in the year since the Newtown school shooting, at least 173 children under age 12 have died from gunshots in the U.S., according to original reporting and research by NBC News. 

Newtown anniversary: The US children shot to death since Sandy Hook massacre Click for a timeline of the 173 deaths.