Knowlton was required to undergo treatment for sex offenders.
He was banned from Simley and from having contact with girls younger than age 16.
Florida adopted a “Romeo and Juliet” law in 2007, allowing some people to petition the court to forgo registering as a sex offender.
Michigan has adopted similar legislation, and Illinois and California groups are pushing for those laws, too.
The relationship started months earlier when he was 17.