a 15-year-old student from the school, ethan crumbley, is charged in the deaths, his parents are also facing charges. cnn national correspondent brynn gingras joins me now. tell me about the lawsuit. >> this is a federal lawsuit filed by the students. if you remember that day of the shooting, there was this -- all this stuff has come out through the investigation, essentially saying that if you remember, ethan crumbley was brought into a counselor's office because a teacher spotted a disturbing drawing. his parents were brought into the counselor's office, between the school officials and the parents they decided he should seek mental health treatments and basically he was sent back into the classroom, with a book bag, which was never checked. what the students are saying in the lawsuit, these school officials, they could have done a lot more. let me read an excerpt from it. it says, by releasing doe from the safe confinement of the counseling office, into the greater school environment, school officials compounded the danger to all students at oxford high school, by returning doe's u

. >>> james and jennifer crumbley parents of the oxford michigan school shooter ethan were back in court today their district attorneys unsuccessfully argued the couple cannot get a fair trial in oakland county due to intense media coverage and the trauma suffered by the local community. >>> and flight cancellations are soaring amid the july 4th holiday coming up. almost 3,000 flights have been canceled within, into, or out of the u.s., an estimated 3.5 million americans are expected to travel by plane during the upcoming holiday weekend making it one of the busiest times of the year. i know a couple of people who were affect bided by that. >> a lot of people trying to get back home from their experience. >>> the big etfs to watch today and all week on cnbc we're live from the aspen ideas festival bringing you interviews and news-making conversations. nbc universal news group is the media partner for the festival don't miss it and "halftime" returns after this [music - cover of blondie's “dreaming”] [music playing] ♪ imagine something of your very own. ♪ ♪ something you can hav