Yes and no, after some looking on the interwebs there do appear to be Marshall Service badges that are not the spartan star in circle, also those don't meet the shape of the Capitol Police badge.
I've seen some older USM badges that look kind of like those, but I will agree they're not Capitol Police. My bet is FBI or CIA. My eyes aren't what they used to be, but it does appear to have an eagle on the top to me.
US Marshall badges are stars inside of a circle. These are not US Marshall badges.
Yes and no, after some looking on the interwebs there do appear to be Marshall Service badges that are not the spartan star in circle, also those don't meet the shape of the Capitol Police badge.
I've seen some older USM badges that look kind of like those, but I will agree they're not Capitol Police. My bet is FBI or CIA. My eyes aren't what they used to be, but it does appear to have an eagle on the top to me.