One reason: There is great suspicion (backed by the comments made by Dr. Michael Baden on Greta van Sustern's show last night) that Michael may have tried to kill Terri. He should not be allowed to put her to death, and especially not be allowed to have her cremated immediately after death as he has already gotten permission to do, without a thorough investigation.
...when for the last 13 years nobody gave a fat-rats patootie about her.
Better late than never.