. >> walter fesenbeckh is a volunteer counselor for people planning an assisted suicide. originally from germany, walter now lives in switzerland. living here has changed his view of the issue. walter fesenbeckh: when people here in switzerland look at germany, it's very hard to understand why germany doesn't allow or even wants to prohibit its citizens from making their own decisions about how they want to die. >> walter is paying a visit to a "patient" in the canton of zurich. that's what he calls the people he counsels. he's known helga herk for years. she's 77 years old, and has been suffering from pain, paralysis, and seizures for 17 years. helga herk: my neighbors know that when they hear me scream that means i'm in pain. , now my bladder is done for, and i have to wear diapers all the time. but the main reason is that i can no longer walk. >> now helga wants to sign the statement of intent to commit assisted suicide. her husband who doesn't want to appear on camera and her children are present. helga herk: two days ago, my son started to rebel. i've said it's time,