(Newser) – Anonymous sent an ominous warning to Donald Trump this week, NBC News reports. "You are going to regret the next four years," tweeted an account affiliated with the hacker group. It went on to accuse Trump of having "financial and personal ties with Russian mobsters, child traffickers, and money launderers" and remind him that "information doesn't vanish, it is all out there." Anonymous also asked its followers to actively seek out damaging information on Trump. According to the Telegraph, Anonymous previously declared "total war" on Trump during the election, leaking phone numbers and voicemails purportedly from his phone and briefly shutting down the Trump Tower website. (Read more Anonymous stories.)