investigators have set up a new canopy in the massive florida nature reserve. i basketweave we have had a live look from our cnn drone. there it is, yesterday officials found a backpack and notebook belonging to brian laundrie along with partial human mains. the family attorney general says those remains are likely brian. the fbi is calling him a person of interest in the murder of his fiance gabby petito. joining us now is bone chacon and criminologist and behavioral analyst casey jordan. good to see both of you. bobby, let s start with you. bobby, we know these remains were partial remains. they are in an area that was under water until recently and that they appear to have been there a while. how long do you think until we