perialis s brother in charlottesville. reporter: we know the fbi is investigating the case. tea party activists on the healthcare bill posted an address online and thought it was the congressman s address and turns out it was his brother s home. he discovered it was cut. 10 of the members have been threatened and they re calling on the republican leadership to condemn the threats. yes, i know there is anger. let s take the anger and go out and register people to vote. go volunteer on a political campaign and let s do it the right way. i am concerned about the amount of violence and anger that is out there, but it s unacceptable. you feel your members are at risk? yes. i think we have had serious incidences that have occurred the last 48, 74 hours. reporter: police issued a statement saying after the request the u.s. capitol police delivered briefings to members of congress to address concerns and said security briefings are provided on a regular basis and that was as