Law enforcement officers amassed along Lake Street near Hiawatha Ave. as fires burned after a night of unrest and protests in the death of George Floyd early Friday, May 29, 2020 in Minneapolis.

A white Minneapolis police officer who knelt on George Floyd’s neck opened fire on two people during his 19-year career and had nearly 20 complaints and two letters of reprimand filed against him.

A white Minneapolis police officer who knelt on George Floyd’s neck opened fire on two people during his 19-year career and had nearly 20 complaints and two letters of reprimand filed against him.

Steve Holum, center, of Minneapolis performs Prince's "Purple Rain" while June Tate and Karlis Nollendorfs,danced in the background. Casey Moo, at right, was the host of the karoke night at Otter ...

Minneapolis police are searching for motive as they investigate a pair of shootings Thursday night that left two people dead – including an officer hailed as a hero – and also wounded four others.