[rxsid]

The "professor" should be charged with a felony:

18 U.S. Code § 2261A - Stalking

Whoever—

...

(2) with the intent to kill, injure, harass, intimidate, or place under surveillance with intent to kill, injure, harass, or intimidate another person, uses the mail, any interactive computer service or electronic communication service or electronic communication system of interstate commerce, or any other facility of interstate or foreign commerce to engage in a course of conduct that—

(A) places that person in reasonable fear of the death of or serious bodily injury to a person described in clause (i), (ii), or (iii) of paragraph (1)(A); or
(B) causes, attempts to cause, or would be reasonably expected to cause substantial emotional distress to a person described in clause (i), (ii), or (iii) of paragraph (1)(A),

shall be punished as provided in section 2261(b) of this title.

[Fred Hayek]

If anyone is killed or injured due to doxxing, the person who doxxed the victim should be charged as an accessory, up to and including accessory to first degree murder.

Loosely interpreted, the SPLC can thus be charged as an accessory to the Family Research Council shooting.