James Welch, legal director for human rights group Liberty, said:
Statistics suggest that Mr Lawrence's experience of repeated searches is not unusual.
The police maintain that stop and search is an important tool in their armoury. But they seem incapable of exercising the power in a non-discriminatory way.
That will leave many questioning whether they should have the power of stop and search at all.
More top news
A 3-year-old child grabbed his mother's gun from her purse when he went to get her iPhone, police said.
A 350,000 ton landslip in the Harbury area between Leamington Spa and Banbury yesterday is affecting both train services.
It is freezing cold again today in the cutting north-north-west winds. Northern Scotland can expect to see some snow.