 and lisa thank you thank you for going through that with us and as you've been reporting here on bloomberg we also want to look at what this means for the secret service you can tell us more about that as well yeah a lot of eyes on them um and mark perhaps the biggest security crisis for the secret service since president ronald reagan was shot leaving washington hilton in 1981 they're facing questions about how the shooting could even happen you know how the shooter was able to assume that elevated position of attack outside the event area without being detected