Considerable effort also goes into detecting and prosecuting immigration law offenders,and removing illegal immigrants. 此外，该处也致力侦查和检控违反入境法例者，以及把非法入境者遣返原居地。
Parker envisions the bird-sized vehicles as being able to spy on adversaries by flying into cities and perching on building ledges or power lines. 帕克的设想是这个小鸟大小的工具可以靠在城市中飞行来侦查敌人或者停留在建筑物的边缘或者电线上。
