. >> bill browder: it's death if you cross the putin regime. >> stahl: bill browder was for years theargest foreign investor in russia and putin's champion, but he turned into a dogged adversary when his russian tax attorney sergei magnitsky blew the whistle on alleged large-scale theft by government officials. >> browder: we discovered massive corruption of the putin regime. sergei exposed it, testified against officials involved. he was subsequently arrested, put in pre-trial detention, tortured for 358 days and killed at the age of 37. >> stahl: browder was so outraged, he joined with vladimir kara-murza to lobby the u.s. congress for a law targeting those responsible for that death and other human rights violations. they succeeded: the magnitsky act passed in 2012. it is the first law that sanctions individual russians, 44 so far. >> browder: the magnitsky act is designed to sanction, to freeze the assets and to ban the visas for people who commit these types of crimes in russia. >> stahl: so they can't get their money, which may be stashed in the united states. >> browder: and so

. >> reporter: bill browder was for years the largest foreign investor in russia, and putin's champion he turned into a dogged adversary when his russian tax attorney sergei magnitsky blew the whistle on alleged large-scale theft by government officials. >> we discovered massive corruption of the putin regime. sergey exposed it, testified against officials involved. he was subsequently arrested, put in pretrial detention, tortured for 358 days, and killed at the age of 37. >> reporter: browder was so outraged he joined with vladimir karamerza to lobby the u.s. congress for a law targeting those responsible for that death and other human rights violations. they succeeded. the magnitsky act passed in 2012. it's the first law that sanctions individual russians, 44 so far. >> the magnitsky act is deng ded to sanction, to freeze the assets and ban the visas for people who commit these types of crimes in russia. >> they can't get to their money, which may be stashed in the united states. >> and so vladimir putin is extremely angry that the magnitsky was going to be passed. he was even angrie

. >> reporter: browder was so outraged he joined with vladimir karamerza to lobby the u.s.ress for a law targeting those responsible for that death and other human rights violations. they succeeded. the magnitsky act passed in 2012. it's the first law that sanctions individual russians, 44 so far. >> the magnitsky act is deng den assets and ban the visas for people who commit these types of crimes in russia. >> they can't get to their money, which may be stashed in the united states. >> and so vladimir putin is extremely angry that the magnitsky was going to be passed. he was even angrier when it got passed. and he was even angrier when people started getting added, names started getting added to the magnitsky list. >> reporter: one reason vladimir karamerza is convinced he was targeted is because six people connected to the magnitsky case as he was ended up dead. one of them was boris nemtsov, a leader of russia's opposition and karamerza's partner in lobbying the magnitzky act. >> in february 2015 he was killed by bullets walking home as he always did out in the open with

. >> always good to see browder. awkward hand shake by the way.rient express my my movie murder on the orient express is based on. >> you're in a movie. >> i'm in an upcoming feature film coming out in november. >> we just ran into each other. >> happens to be camera here and timers and producers. >> very strange. >> little behind the scenes i info. we were going backwards. what's tunney the window almost looks fake. >> yeah. it's so perfect. >> so real that it looks fake. this before on the show when they filmed the movie it was on gimbal and they had hd screens that showed footage of trains and things like that twenty eight crazy we were riding backwards i remember sitting down. he was asking basically for dramamine because it was crazy. al roker caw on the train. roker was going live. it was crazy really cool experience. but the movie is coming out in november. i had the chance to talk to judy den much as well when i got to london. i'll have more coming up at 9:40. it was the trip of a lifetime to be able to experience that. >> oh, yes. >> amaz

chief michael browdering this as a hot scene. there's so much information to gather.t th was a targeted attack. >> thank you, julie. >> a few more statements coming in. i want to mention that the speaker of the house, paul ryan, has now tweeted about this incident saying this morning the hearts of the whole house are with steve scalise. the brave capitol police staff and all those who were in harm's way. >> when you take batting practice, it's fencing on top to catch fly balls. there was about four foot of blue plastic. i hit the dirt behind that blue plastic along with two of three other people who we there. it's such a all this is going on and the gunfire is nonstop from the rifle. it occurs to me that i'm not in the best of position, that he could easily go around the third base dugout, and he could pick us off from about 15 feet away. at this point, thsti no return gunfire from our capitol police, and so i don't know if we collectively or an individual made the decision, but reran to the dugout. a first base dugout which is cinder block and recessed about a foot.