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FBI evidence recovery team members searched inside the Waldo Heights apartment complex at 8101 Campbell Street in Kansas City, Mo., Sunday night in connection to the shooting in Baton Rouge, Louisiana by Gavin Eugene Long, 29, of Kansas City, which killed three police officers and wounded three more officers. ORG XMIT: B737558863Z.1

Gavin Eugene Long, who killed three Baton Rouge law enforcement officers and wounded three others, left a suicide note that was publicly released Friday.

Long was shot and killed by Baton Rouge officers after his July 2016 ambush.

"...unfortunately, I see my actions as a necessary evil that I DO NOT wish to partake in, nor do I enjoy partaking in, But must partake in, in order to create substantial change within America's police force and judicial system," part of the note read.

"...I must bring the same destruction that bad cops continue to inflict upon my people, upon bad cops as well as good cops in hopes that the good cops (which are the majority) will be able to stand together to enact justice (and) punishment against bad cops (because) right now the police force (and) current judicial system is not doing so.

"...A sacrifice for my people and a sacrifice for the people."

-- Click here to see surveillance videos and dashcam videos from the scene.

-- Click here to read the authorities' entire report.

Can't see pdf below? Click here.