ms. caldwell was confirmed at the assistance attorney general. during her first year as head of the criminal division, aag caldwell has made prosecuting cybercrimes a top priority. she has innovated new initiatives that not only seek to investigate and put cybercriminals behind bars but also proactive strategies that aim to collaborate with the private sector and law enforcement around the world. one of the highlights of her first year was the creation of the cybersecurity unit within the division's section. please kindly join me in a warm welcome to assistant attorney general leslie caldwell. >> thank you, and also thank you for just not coming out and saying that i'm really old instead of saying the 10 years and 30 years, i was starting to think, my god, really. really, good afternoon, thank you so much for inviting me to speak here today. as all of you know, cybercrime and cybersecurity are very complicated and challenging issues. they raise concerns that really defy simple solutions. they off defy our traditional criminal investigative tools.