The Home Office scanned more than 7,500 faces were scanned on the Dublin-Holyhead route, leading to one arrest
The figures have emerged amid renewed debate over how laws on paramilitary symbols are enforced
Deputy chief constable Bobby Singleton said that “any fear that prevents victims coming forward damages confidence in policing and allows offenders to go unchallenged"
Lough Neagh provides half of Belfast’s drinking water and more than 40% of Northern Ireland’s overall supply