eric. >>. you are all free to go. >> reporter: shepherd was already gone.1 caller claimed to have seen him wednesday. after a long search police found nothing. that's not going well on campus. several students told us they stayed home too afraid to go to class. >> i have been here all day. i think everyone is on edge. >> reporter: it is worth pointing out hundreds are expected in val dosta for a pro rally but there are major concerns about the safety of that event. the police chief telling me he is working with the fbi ♪ ♪ ♪ you're only young once. unless you have a subaru. (announcer) the subaru xv crosstrek. symmetrical all-wheel drive plus 34 mpg. love. it's what makes a subaru a subaru. the new s6 hits the stores and i'm like... whoa. open the box and... (sniffing) new phone smell. jump on a video chat with my friend. he's a real fan boy, so i can't wait to show this off. picture is perfect. i got mine at verizon. i... didn't. it's buffering right out of the box he was impressed. i couldn't be happier. couldn't see him but i could hear him making fun of

eric. >>. you are all free to go. >> reporter: shepherd was already gone.1 caller claimed to have seen him wednesday. after a long search police found nothing. that's not going well on campus. several students told us they stayed home too afraid to go to class. >> i have been here all day. i think everyone is on edge. >> reporter: it is worth pointing out hundreds are expected in val dosta for a pro rally but there are major concerns about the safety of that event. the police chief telling me he is working with the fbi to make sure everything goes smoothly. >> chris shaw, thank you. we'll be right back. i've tried laxatives but my symptoms keep returning. my constipation feels like a heavy weight that keeps coming back. vo: linzess can help. once-daily linzess treats adults with ibs with constipation or chronic constipation. linzess is thought to help calm pain-sensing nerves and accelerate bowel movements. linzess helps you proactively manage your symptoms. do not give linzess to children under 6, and it should not be given to children 6 to 17. it may harm