. "202135690"@en-us . . "follow"@en-us . "surveil"@en-us . "202198602"^^ . . . . "surveil"^^ . "02198602-v"^^ . "0"^^ . "201505608"@en-us . . "survey"@en-us . . "0"^^ . . "keep under surveillance; \"The police had been following him for weeks but they could not prove his involvement in the bombing\""@en-us .