second part of his conversation with director juan osuna. >> reporter: currently the u.s. immigration court here in san francisco has a backlog of more than 30,000 cases. a dozen different judges hear cases four days a week in a private office building off montgomery street. caseloads often reach 65 people or more in one afternoon. it's a system even the top administrator in washington, d.c. says is in bad need of repair. would you agree the system is broken? >> i would. >> reporter: the need to speak out and try to change that system prompted director juan osuna to sit down for the first time and speak about these issues on camera. >> our judges, and the board of immigration appeals decides basically who stays and who goes. >> reporter: director osuna oversees a division of the u.s. department of justice. >> the reality is that the system is overburned, absolutely, and that works to the detriment not just to the system itself but also the