Kevorkian went to jail for killing a willing victim on TV. I believe it was 60 minutes.
God foresaw these kinds of things and included a line in the book of Proverbs to ensure we won't use certain excuses when we meet Him face to face:
Proverbs 24: 11 Rescue those being led away to death; hold back those staggering toward slaughter. 12 If you say, "But we knew nothing about this," does not he who weighs the heart perceive it? Does not he who guards your life know it? Will he not repay each person according to what he has done?