27 people insisted you did.
I really haven't read anything about this story, so I won't comment on this particular case. In general though, I don't think anyone should be executed based on witness account alone. If there is other evidence fine, but not just because other people say they saw it.
Lots of people swore they had seen women perform evil witchery too.
**p.s. It is my belief that any violent career criminal should be shot where they stand...if this guy fits that bill, so be it.