news4's nicki carvajal has more. >> he's accused of insider trading and lying to the fbi.cutors say he used his role on the board of a pharmaceutical company to tl his family members about a failed drug trial.al that drug t ultimately called the company's stock to tank by 92%. he saved his family membersle dly more than $700,000. some of the activity is pretty they say he was on the lawn of the white house at a congressional picnic making some of these phone calls to his family members. his part, collins says he's in lcent. he denot of the charges against him because he lost a lot of money in that deal and he says he's still running for re-election inno mber. >> nicki carvajal, thank you. >>> metro isin cra down to prevent changes for fair cheaters. these gates will open next to the traditional pay gates but a recent i-teaestigation showed a wide number of people using themergency swing gates to avoid paying metrole fares. metro shows that 24 stations updated.eady been 20 additional stations will be changed before school starts. >>> a popular theme park in rginia is bannin

nicki carvajal is here. >> what they're trying to do is go over the credibility of gates and it's getting really personal. he admitted an extra marital affair on the stand. t the lengthst he went to cover it up. he admits that he stole money from his boss and lie t the special counsel initially when they started to investigate him. they're trying to raises questibout why he flipped and he's now cooperating with them which he adm s to committing a lot of the same rgimes that paul manafort is now being c with. but many experts believe he'll end up being a strong witness for the prosecution because there is so much evidence backing up the things that he's saying. >>> nick i carvajal live on capitol hill for u nicki, thank you. >>> at the center of the lawsuipe money by foreign governments at the trump international hotel.ic senatorrd blumenthal told violatingpresident is the constitution. >> 200 members of congress are very impressive. they are all, however, democrats. is this just aolitical manipulation to try to tear down president trump. >> i'll be very blunt. i wish we had some republica

. >> nicki carvajal on the hill. thank you. >>> intro is cra down to prevent fare cheaters.removing these swing gate emergency exits. you see right here. those are the gates that open in both directions. a news4 team i-team investigation showed a number of people using the emergency gates to avoid paying metro fares. metroho s 24 stations have been already updated. 20 additional stations will be changed before school starts. >>> a popular theme park in virginia is banning cell phones after a woman was injured. in june, a woman was hit b a flying cell phone on that ride. she said the phone came at her from another rider's pocket. the phone left huge gash on her forehead. >> heaftches did stop a coming of weeks so that was very helpful but now it's jus healing and i'm waiting for it to be 100% healed. >> woman asked for a refund from king'sion for her season passes. she did get her money back. >>> a f mother andher calling for change this morning after a scary situation. >> when severe weather diverted their orlando bound flight two kids ended up in a hotel room with an airlin