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(historical, law, properly, rare) A privilege of some feudal lords permitting them to execute summary judgment upon thieves (particularly their own tenants) captured outside their estates and to keep any chattels forfeited upon conviction. quotations
A grant of outfangthief imports the trial of those of his fee taken for felony in another precinct.
1822, John Comyns, Anthony Hammond, A Digest of the Laws of England, Butterworth & Son, page 328
The addition of outfangandthef is much less usual [than infangthief]; it seems to have meant the right to try a man of the barony taken stealing outside the barony, if necessary repledging him to the barony court.
1990, David Maxwell Walker, A Legal History of Scotland, volume II, page 640
(historical, law, generally, rare) A privilege of some feudal lords permitting them to execute summary judgment upon all thieves captured within their estates, regardless of their origin. quotations
But feudalism also contained another principle, and that was, that within his own territory each lord was absolute; his suzerain could not interfere with his jurisdiction; infangthief and outfangthief implied a very perfect and intelligible power of hanging and imprisoning as he pleased.
1845, John Henry Newman, Lives of the English Saints, ST Freemantle, p. 19
(historical, law, rare, countable) A thief so captured and tried.