Of course it is illegal to make changes to a decedent's will. Anyone who does so should be reported to the authorities immediately.
Your local police department
Political machines used many illegal activities to turn the outcome of an election to their way. Among these illegal activities were registering dead persons and using those votes of those deceased persons to swell their numbers, and intimidating the residents of their districts into voting a certain way.
generally they don't get one after they're dead. because... they're dead.
death
Wake them up and ask them!
Yes, it is illegal to change a dead person's mailing address without proper authorization, even if their spouse is still living. Only individuals who are authorized to manage the deceased person's affairs, such as an executor of the estate or legal representative, can make such changes.
No, DNA can be taken from deceased persons.
Marriage is a contract. A deceased person does not have the legal capacity to willingly enter into any contracts.
yes the funeral home usually does a deceased persons nails,and hair and general grooming to get them ready for their "showing"
No. If the act was illegal at the time it was committed, it was a felony. That will remain forever unless you get the felony expunged.
It sounds as if you're not legally responsible for the deceased client.
If they have the letter of authority, yes.