More than 100 human tissue samples were kept by Avon and Somerset Police over the past 25 years without the knowledge of families.
It said of 1,079 unexplained deaths it had kept tissue from 10% of victims.
The announcement follows a nationwide audit ordered by the Association of Chief Police Officers (Acpo).
Marie Edwards, whose daughter was buried without an organ in the Bristol heart scandal, said families should be told if tissue is taken from victims.
http://www.bbc.co.uk/news/uk-england-bristol-14304478
should relatives be told???