In March of 2015 police in the US killed more than 100 people. In the UK police have killed less 100 people in total since 1900.
There are many factors that can explain a discrepancy in the numbers between the US and the UK, but that wide of a discrepancy is hard to justify.
There are many factors that can explain a discrepancy in the numbers between the US and the UK, but that wide of a discrepancy is hard to justify.