The issue focused on by police after the deaths of three young men was how they came to end up on the streets of Birmingham.They were shot dead by two police officers on 16 October after they stopped and searched them for drugs in West Kirkham Street.Some officers may have known about the drugs but did not stop them and made no arrests.One officer has been suspended while an internal investigation is carried out. Police said they had received some allegations that police officers had stopped them for drugs on at least two occasions.