3 adjectives to describe depredators

"Hall, the officer, stated that he had information that there was a quantity of goods, which had been stolen by the prisoners, concealed in a certain desk in the house of the father; and that a great deal of stolen property would, in all probability, be found there, if a search warrant were granted, as the two unfortunate children were believed to be most extensive depredators.

I remember reading some time back, in the police reports, of a woman who had entrapped eight or ten children from their parents, had trained them up, and sent them out thieving; nor was it until one of these infantile depredators was taken in the act of stealing, that this was made known, and the children restored to their homes.

Fearful was the havoc occasioned by these licensed depredators, yet no one dared to check themno one ventured to repine.

3 adjectives to describe  depredators