Special education teacher Karen Smith, 53, was killed when Smith’s estranged husband Cedric Anderson, 53, entered her classroom and opened fire killing 8-year-old Jonathan Martinez.

Investigators are looking for clues that point to a motive in Monday's tragic shooting.

National News

An 8-year-old male student is dead and another injured after a man opened fire at North Park Elementary School in San Bernardino, California on Monday.

The suspect's father was found dead in his home, which was two miles away from the elementary school.

A survey found that students brought more than 185 guns to school so far for this academic year. The group that conducted the survey laments that there's no federal gun safety law in place.

In the first two months of 2016, there have been a reported seven school shootings.

VIA THE WASHINGTON POST: A disgruntled 20-year-old student walked into a classroom at the Northern Virginia Community College campus in Woodbridge on Tuesday afternoon and fired at least two shots from a high-powered rifle at his math teacher, authorities said. The teacher saw the gun, yelled for her 25 students to duck and then hit […]