accusations, what do you think is going on here? >> it's denial, it's they don't want it to be seen that their sister committed suicide. >> we asked rebecca's sister mary about that. >> a lot of times, families do not want to admit that someone committed suicide. because they blame themselves for not maybe having seen the signs, is that what you're doing here? >> no. and i have been accused of that multiple times, including the sheriff's department. >> is it possible that rebecca was depressed and you missed it? >> no. >> in march 2018, the wrongful death law suit began--. defending adam was dan web, former u.s. attorney and a veteran of many courtrooms. >> there is no evidence that shows that adam shacknai had anything to do with the death of rebecca zahau. >> in particular, no dna or fingerprints from adam were found at the death scene. plaintiffs attorney keith greer