Amends 18 U.S.C. 2519(2)(c) by inserting additional text to require inclusion of demographic information in reports concerning intercepted wire, oral, or electronic communications.

Adds a new section 2332j to chapter 113B creating the offense of killing 3 or more people in a single incident using a machinegun, a destructive device, or a covered semiautomatic weapon under specified circumstances and at specified locations, with a penalty of imprisonment for any term of years or for life.

Modifies section 2331 by altering punctuation in paragraphs (5) and (6) and adding new paragraphs (7) through (9), including a detailed statutory definition of "covered semiautomatic weapon" and definitions of "machinegun" (by reference to 26 U.S.C. 5845(b)) and "destructive device" (by reference to 18 U.S.C. 921).

Amends subsection (a) of section 2339A by inserting additional text after a specified point in that subsection (the excerpt does not include the actual inserted text).

Amends the table of sections for chapter 113B of title 18 by inserting a new item for section 2332j after the item relating to section 2332i.