This Denver 7 "The Denver Channel" story addresses prosecutors claims about BM using Ashley Madison (and similar searches) when looking for other women to date:
Harris, the other FBI agent who testified earlier Tuesday, said the phone and credit card records for the man Suzanne was having an affair with show he was in Michigan on the day she disappeared. Prosecutors argued Tuesday they believe that Barry Morphew was also looking for other women to date, saying he had deleted web history that included Ashley Madison searches and a search for “cute girls” in the Salida area.
https://www.thedenverchannel.com/ne...out-movements-surrounding-wifes-disappearance
ETA: Harris also gave testimony that BM's search history included searches for the pornography website "Celebrity Jihad:"
Harris, the FBI agent, also testified that deleted search history on Barry's phone revealed visits to the dating website Ashley Madison, as well as Celebrity Jihad, which describes itself as a celebrity pornography website run by purported Islamic extremists...
Barry Morphew texted wife about suicide days before she disappeared: ‘Going to see my savior’