On Monday night, a gunman opened fire on the Michigan State University campus in East Lansing, killing three students and injuring several more. Scared students ran from classrooms, barricading doors with furniture and jumping out of windows as 911 calls poured in. Tragically, this is becoming an all-too-familiar American issue.

The shooter has now been identified as a 22-year-old student, Anthony McRae. It is not currently known what his motive was or if the weapon used was the same one he was previously arrested for carrying without a permit.

Victims' families, and the families of others who lived through the terrifying event, are left to grapple with incomprehensible pain. One father, Michael McRae, said his son was "angry and bitter, evil angry" after his mother died, and questioned if his son had acquired another gun without his knowledge. Another father, Matt Riddle