If elected, Mr. Thompson said he would increase the city police force by 2, 000 officers, flood high-crime areas with veterans instead of rookies and fix "stop and frisk, " a tactic in which officers can stop people whom they reasonably suspect of criminal behavior.

WSJ: Thompson Turns to Bratton

Mobile fingerprint scanners have helped a police force to identify more than 2, 200 people on the spot since August.

BBC: Birmingham & Black Country

Figures from February this year show the force employs 2, 217 police officers, 277 community support officers, 1, 720 police staff and 288 members of the Special Constabulary.

BBC: West Mercia Police headquarters

Lincolnshire's police commissioner is proposing a 2% increase in council tax to maintain policing numbers in the county's force.

BBC: Alan Hardwick