Just a thought but I noticed a trend to blame the guy because of how he acted. True, we've seen a couple of cases they were the bad guy, but speaking from personal experience when I was under stress I suspect different people took away different impressions from me because I simply "wasn't all there". I didn't even have the extra pressure of media scrutiny or a missing wife, just one that was ill.
So speaking only for myself were I in his position I would have probably appeared "strange", "shifty eyed", etc. Heck, I'd of probably been already convicted and sentenced.
I agree. Too many people are too quick to jump on the husband because "he didn't act right".
People who haven't been in a situation like that have no idea what it's like. He probably didn't know how to act. The woman you are about to marry is gone which is about as emotional a situation as you can get AND you are suspect #1 even though you know you had nothing to do with it.