The DA is more aggressive than he seems. He is methodical and exacting. He led the special victims unit of one of the most progressive counties in the state (in terms of LE/prosecution) and cut his teeth in Atlanta prosecuting major violent felonies. Don't mistake his silence for inaction - the more likely scenario is that he wants to make sure this is done right. The parents are not going anywhere - they are certainly no flight risk. That being the case, there is no reason to rush an arrest. My (educated) guess is that he is building an airtight case so he can get an indictment that will stick. Downgrading charges post-indictment or post-arrest isn't good for public confidence, which matters in a small town with a limited jury pool. This DA has an enviable conviction rate he surely wants to maintain; and with a case like this that will continue to generate substantial media attention, all the better to wait until your ducks are in a row before making any moves. JMO, only speaking up to say I think the prosecutor knows exactly what he's doing and feel sure he's on top of this, which I know is important to everyone in the community.