From the Fan who got to go on Stage:

"I must give major kudos to Taylor Hicks. It takes guts to pull a fan from the audience to perform with you for a number of reasons: first being not knowing for sure if that fan can actually carrying a tune and second, the possibility of that fan being a psycho who could attempt to carry out unmentionable acts with the presented opportunity. " - Chelena Blount

She wrote an entire article: here