The shooter's online activity before the attack is under thorough investigation in order to determine a motive.

A law enforcement investigation report on a deadly shooting at a small-town Iowa high school in January reveals new details ...

A January school shooting at Perry High School near Des Moines, Iowa, which left two dead and six injured, was “the product ...

No charges will be filed in the Perry High School shooting Jan. 4. The shooter, 17-year-old Dylan Butler, planned the attack ...

A report released Thursday reveals Principal Dan Marburger was shot twice during an attack at the school as he attempted to ...

Iowa Department of Public Safety commissioner says there was evidence of "copycat behavior" in the Jan. 4 Perry school ...

Three individuals were hailed for acting quickly and putting their lives on the line to defend the students and staff of ...

The shooter responsible for two deaths and multiple injuries at an Iowa high school earlier this year “likely displayed ...

The Perry High School shooter was armed with a pump-action shotgun, a revolver, a knife and an improvised explosive device.

The Iowa Department of Public Safety held a news conference Friday morning to release more information about the ...

The Iowa Division of Criminal Investigation held a news conference to discuss the findings in a summary report of the fatal ...

The 17-year-old shooter had a desire to die by suicide and gain notoriety at the same time, DPS Commissioner Stephan Bayens ...