This is a great opening to start with. No one knows where Adam is and speculation is heavy about how a teenager was able, to quote Arthur, "...To kill the greatest wizard of their age." I am enjoying how you are staying so close to canon in many ways, such as Snape's secretiveness. The upheavel in The Order adds some fun to the mix and really lends to a interesting hynamic for the whole story.
This is a good chapter. I am so glad that Minerva and Arthur believe that Adam is inocent. Of course Severus is playing his own game. Arthur is right . Severus has the knowledge and the ability to overide veritas syrum. Alastor is an auror through and through. he would suspect anyone until proven otherwise. I know he would want to question all of Arthur's children that had direct contact with Adam. I'm glad Arthur and Minerva refused. I look forward to more of this story. p