these would have not happened but we can say that as a result of the failings, potential opportunities to prevent it were missed. >> politicians have been studying all the terrorist attacks that took place in this country in 2017, last year was the deadliest year when it comes to terrorist attacks since 2,005, 13 years ago. they want to see what they could have done better to prevent attacks in the future. at that hearing today, politicians also singled out facebook and google, saying they could do more to police online content. they say that manchester bomber may have learned to make his bombs by watching online videos. back to you. >> eboni: thank you, ryan. leland? >> leland: an american missionary trying to bring religion to a lost civilization has instead wound up murdered. a tribe cut off from the rest of the world killing him in a blood he bow and arrow attack.