now iowa with hiawatha police department. he says not only will the gun cameras paint a clearer picture but they are cheaper than body cameras. >> our product comes along. it creates the fraction of the data. >> the lower cost is concerning for some activists across the state of iowa who are in favor of the gun cameras but are encouraging police to use them in addition to body cams. >> police officers rarely draw their weapon, and if we're just using just that as the information that we have to solve the entire case, you're missing everything that led up to that incident. >> for hiawatha police chief dennis marks he says the gun cameras will serve as a critical piece in use of force incidents. in iowa, fox news. jon: president trump's acting chief of staff under scrutiny from members of both parties now after a tense news briefing earlier this week. how mick mulvaney's comments could tie into the ongoing impeachment inquiry in washington. ♪