落入法网

it is hard to escape the net of justice (idiom)

to bring to justice

It is hard to escape the dragnet of the law; the long arm of the law

(of a bird, fish etc) to be caught in a net; (of a tennis ball) to hit the net

lit. to get shackled and thrown in jail (idiom); fig. to be put behind bars

the net of justice; the long arm of the law