professor john villasenor is a nonresident senior fellow at the brookings institution. thank you professor villasenor for being here today. john d. villasenor: thank you very much. members of the subcommittee, i appreciate the opportunity to testify on this important topic. i'm a nonresident senior fellow at the brookings institute and i am on the faculty at ucla. the views i am expressing are not necessarily those of the brookings institution, stanford, the university of california. i'm going to devote my remarks to the very important issue of privacy. it is important to start by acknowledging privacy is a legitimate concern. for the first time ever, unmanned aircraft systems are making it easy and inexpensive to obtain overhead imagery. the overwhelming majority of the time, operators and both the public and private sectors will be mindful of the need to respect privacy, but as the number of users and flights continue to grow, sometimes inadvertently or intentionally uas will be used in ways that violates privacy. to what extent are our current legal frameworks up to t