她因帮助逃犯躲避警方追捕而被指控协助逃犯。

She was charged with ___abetting the fugitive by helping him evade the police.

他明知朋友在偷窃却保持沉默，这无异于助长犯罪行为。

By staying silent while knowing his friend was stealing, he was effectively ___abetting the crime.