Assertion: smuggler | /r/CapableOf | prevent illegal narcotics
Facets:
value: by maintaining surveillance
type: MANNER
Source sentences:
text: Smugglers detect , preventing, and apprehending undocumented aliens, smugglers of aliens, and illegal narcotics by maintaining surveillance from covert positions at or near the 6,000 miles of Mexican and Canadian international land borders and over 2,000 miles of coastal borders;