Mass. Gen. Laws ch. 140 § 88
If it appears to any of the officers mentioned in the preceding section that any articles which have been pledged under section eighty-six have been stolen, he may give written notice to the pledgee to hold such articles, and they shall thereafter be held by the pledgee for sixty days unless said notice shall be recalled in writing by the officer giving it, and be subject to inspection and examination at all reasonable times; and they shall be produced, upon notice or summons by the district attorney or other prosecuting officer, before any court or grand jury if the question of the larceny of the same is under investigation, and said pledgee shall not be liable in damages or otherwise on account of such detention.
Mass. Gen. Laws ch. 140, § 88