>> we feel those images are horrible and horrific. investigation overseen by the department of homeland security which he has conveyed will happen quickly. i can also convey to you that the secretary also conveyed to civil rights leaders earlier this morning that we would no longer be using horses in del rio. so that is something, a policy change that has been made in response. >> i have a question about the numbers that you gave and the math. so, there are 15,000 migrants under the del rio bridge saturday. if you add up the ones that you say were expelled or released it's less than 5,000. then there is 5,000 that are still left. where is everybody else? >> i'm happy to get you a more fruitful run down for you if you -- if helpful from the department of homeland security. >> bret: a lot of questions about the immigration situation,