Hennepin County defense attorney Eric Nelson, left, and former Minneapolis police officer Derek Chauvin, right, listen as Judge Peter Cahill discusses motions before the court on March 30.
Mandatory Credit:	Court TV/Pool/AP

Hennepin County defense attorney Eric Nelson, left, and former Minneapolis police officer Derek Chauvin, right, listen as Judge Peter Cahill discusses motions before the court on March 30.
Mandatory Credit: Court TV/Pool/AP

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Top homicide detective says Derek Chauvin violated policy by kneeling on George Floyd

The Minneapolis Police Department's top homicide detective testified at the murder trial of the former officer who knelt on George Floyd's neck last May that "if your knee is on someone's neck -- that could kill them."