Menendez and Graham hope added sanction authority would give the US "diplomatic leverage."
Hyon Yong-chol was reportedly executed by anti-aircraft guns before a crowd of hundreds.
The two countries are strong allies, united in trying to keep North Korea in check.
The event in the House will be the first public congressional inquiry into the Sony hack.
Major theater chains have not committed to releasing the film.
Service has gone out at least twice since Monday's 10-hour blackout.
Failure to impose new sanctions is "more indefensible by the day," Rep. Ed Royce said.
They're calling cancellation of “The Interview” release “very wise” and making more threats.
A formal announcement could be coming on Thursday.
"Remember the 11th of September 2001," the hackers declared.
The FBI will visit the movie studio headquarters on Wednesday.
The country nonetheless praised the “righteous deed.”
An American cyberattack on North Korea half a decade ago was fruitless overall, sources say.
Leaders of the House Foreign Affairs Committee offered the bill in light of the Sony Pictures hack.
The public briefing comes in light of the hack on Sony Pictures.
Activists plan to use weather balloons to float DVDs and USB flash drives over border.
Rep. Pat Meehan (R-Pa.) said Sony Pictures made the "right" choice by allowing the controversial...
Rep. Brad Sherman said a screening would educate members of Congress.
The actions "fall outside the bounds of acceptable state behavior,” the FBI said.
Rep. Adam Kinzinger (R-Ill.) suggested Sony overreacted to the controversy.
It remains to be seen whether the studio has other plans for releasing the film.
Rep. Mike Rogers said the nation's public statements are a "clue."
During 'SNL' monologue, Franco and Seth Rogen reveal embarrassing hacked cellphone photos.
Executives acknowledged the attack, but declined to name North Korea as the source.