39 people in turkey started the new year celebrating, and that turned out to be their last hour. turkey is now promising to find the shooter who killed them at a popular nightclub in istanbul. the gunman has not been identified. this security footage apds pearo show the attacker shooting as he enters the club. in his first statement as the new attorney general, antonio gutierrez declared it despicable. hopes that the organizers and perpetrators of the heinous act will be identified and brought to justice swiftly. cnn s ian lee joins us from istanbul, and with that statement, it s looking more and more like this is pointing to isis. what are you hearing, ian? reporter: that s right, natalie, it does seem to be whittleing down who is responsible for this act. all the experts we ve been talking to have been saying it does bear the hallmark of an isis attack, mainly because in the past isis looks for these soft targets full of civilians to carry out their attacks. pkk coming ou