Wiktionary
Usage examples of "particeps".
Men may be ever so free from the perpetration of bloody deeds, personally, but their failure to object to any outrageous crime makes them particeps crimines.
Hotel keepers were fined severely if convicted, and every particeps criminis was similarly dealt with.
Let us not forget that for more than two centuries we have been particeps criminis, and should have been in as great a difficulty as the Americans now are, had we had the negro population on our own soil, and not on distant islands which could be legislated for without affecting the condition of the mother country.
Now, you and your particeps criminis are free to indulge yourselves.