Navy Yard Shootings

The FBI released its preliminary findings in its investigation of the Navy Yard shootings that left 13 people dead including the shooter. Aaron Alexis said he committed the massacre because he was being attacked by electromagnetic waves.

The president spoke at the memorial for the 12 victims of Monday's shooting at the Navy Yard in Washington, D.C. While acknowledging the unique grief of the families present, he also called for change to prevent future mass shootings.

USIS, which processes thousands of background checks a year for the U.S., is being investigated for "systemic failure" to adequately vet employees and contractors. The company would not comment on the specifics of the Alexis investigation.

In his first remarks to reporters since taking office this month, FBI Director Jim Comey addressed security concerns following the Navy Yard shootings that left 13 people dead. He also talked about sequestration and leaks on government surveillance programs.

Welcome to WJCT First Read, your daily weekday morning round-up of stories from the First Coast, around Florida, and across the country. We'll also…