Why is she just now filing the lawsuit, almost two years later? Does it take a that long for the coroner to finish his cause of death report?
An ambulance chasing lawyer looking for a big out-of-court settlement probably convinced her to file the suit.
It is usually to injured plaintiff's advantage to delay filing until close to the time the statute of limitations expires. Makes the task of finding defensive evidence more difficult, and some defensive evidence may even be lost due to passage of time.