Marci Webber was institutionalized after being convicted by reason of insanity for killing her 4-year-old daughter. For years she has said she is cured and should be freed.

In an interview with Fox News, his first, Michael P. Desronvil said that Lindsay Clancy had thought through the killing of her three children. That, he said, was a major reason he wanted to see her convicted.

© Pool photo by Greg Derr

People who have mental illness alone will not qualify for assisted death, but patients who have other conditions and expect to have a cognitive decline can make an advanced request.

© Blair Gable/Reuters