FISA Court opinion details secret Patriot Act interpretation used for NSA spying

"The sole purpose of this production is to obtain foreign intelligence information in support of [redacted, a quantity?] individual authorized investigations to protect against international terrorism and concerning various international terrorist organizations."

So collecting records of my mother's (domestic) phone calls serves this?

EDIT: Also interesting: "no recipient of any section 215 Order has challenged the legality of such an Order, despite the explicit statutory mechanism for doing so." Thanks Verizon, AT&T, et al!