Do funeral homes keep fingerprints on file?
Moreover, how long do fingerprints last after death?
22, 2016 in IEEE Xplore and described in a 2017 USA Today article, usable biometric data has been obtained from corpses dead for up to four days in warm weather and as long as 50 days in wintertime. According to Apple's website, Touch ID won't work by itself after it has gone unused for 48 hours.
Then, do undertakers take fingerprints?
– For people who have passed away: Most funeral homes take fingerprints of those who have passed away. Follow-up with the funeral home and more than likely they will be happy to help.
As the body decomposes these prints can be lost in a matter of days. Living victims can also rub them off through cleaning or massaging injuries (like wrists). Having said all that fingerprints can be recovered from a dead body. One of the most critical factors in recovering fingerprints from skin is humidity.