Force want help to deal with busy summer months.
Police and Crime Commissioner Alison Hernandez is asking for 15 million pounds to deal with the influx of tourists.
Figures show that crime is 11% higher in July, August and September than the rest of the year.
Plymouth beat Liverpool in cup fourth round
Match Report: Plymouth Argyle 1-0 Liverpool
Call for filming of violence to be made illegal
Violence by girls rose last year in Plymouth
Motorcyclist seriously injured in Plymouth crash
Police are appealing for witnesses
Developers will pay more for Dartmoor plans
Fees and charges to rise across the national park
Doubt over benefits of new Dartmoor phone mast
Site visit arranged as locals say new mast not needed
