that aired thursday gaby petito s family pleading with laundrie to turn himself. i m upset. turn yourself in. just guesting more and more frustrating. reporter: the laundrie family tells cnn they are hopeful brian laundrie is still alive. people pet s family calls brian laundrie the missing piece of the puzzle. they believe he has all the answers to what happened to gaby petito. athena jones, cnn, new york. i want to bring in criminologist casey jordan. i always enjoy talking to you because i learn so much. so what s your feeling the? do you feel like investigators are period pleksed or is it just publicly they are not revealing everything they know about his potential whereabouts? listen, i think if we knew more than they are saying they would have they need the public to help them solve this. if they had any pings off his sfoerngs legitimate sightings of
that s 1 hon %. there s no question about it. we re here in vegas where we re talking everything retail. i took a walk through innovation lab where it s showing everything new in retail and i took the walk with the head of the national retail fled racing. it s so exciting to see what s going on. innovation lab showcases technologies that retailers are employing to engage with our customers and we know in today s world it s how you engage with your customer and how you sort of mary the experience of being online, being on your foerngs being in a physical low karks interacting with the sales team.