reporter karl joins us in the studio with more on karl what's going on were people so worried that you have police security agencies in the u.s. they're on high alert the f.b.i. as well is warning about violence minute century there seems threatening posts online regarding cold unspecific mass shootings and there's a link to the opening of dzhokhar and those threats are being taken very seriously this is how seriously the new york premiere here in manhattan you can see canine team bomb sniffing dogs there at the door to the theater at many theaters across the country they're also banning any sort of costumes so take a look here you're not allowed to wear a mask cape cloaks no costumes whether your dress is a joke or a batman it doesn't matter you will not be allowed in even. earlier this week in los angeles the theater was shut down because of a threat that was deemed to be credible the movie theater then reopened but this weekend they'll have high security there are specific concern really across the