The Commissioner, Bernard Hogan-Howe, vowed today the force will become an "implacable enemy" of racists as investigations continue into officers accused of racial abuse.
The Met's policy of 'Stop-and-search' has often left officers open to criti-cism so instead they may now ask suspects for fingerprints before they search them.
But is that any better? Here's Glen Goodman's report.
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George Michael died in December last year at the age of 53.
PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.