> For credit cards, agents can get real-time information on a person’s purchases by writing their own subpoena, followed up by a order from a judge that the sur

> For credit cards, agents can get real-time information on a person’s purchases by writing their own subpoena, followed up by a order from a judge that the surveillance not be disclosed. You implied both that there is no oversight and that it is bulk collection. Both are not supported by your source, which says there is some oversight by a judge and that the FBI manually requests data on specific individuals. It may be a violation of civil liberties, but it doesn't support your claim.