(WBIR-Knoxville) Twitter is looking to revamp its user-protection policies after Robin Williams' daughter was run off the social site. Zelda Williams said several people attacked her online for her father's suicide and sent her photo shopped pictures of her dad.

Following her decision, Twitter's vice president of trust and safety, Del Harvey said, "We will not tolerate abuse of this nature on Twitter. We are in the process of evaluating how we can further improve our policies to better handle tragic situations like this one."

Local authorities said social media is becoming a key part in bullying and they are glad social media sites are doing something to help stop it.

"All of these social media entities are taking it more seriously and are going to start helping us and others to govern and filter what is out there," said Captain Bob Wooldridge with Knoxville Police.

KPD said the biggest way bullying has changed over the years, is that it now happens 24/7. It doesn't just happen face to face anymore, it happens right at your fingertips.

"This individual never gets a break," Captain Wooldridge said. "The victim never gets to turn it off and not see it and never gets to escape it."

Psychologists agree and said the constant harassment leaves long term effects.

"Who I end up seeing are the kids who it kind of relentlessly penetrates and hurts and can be very damaging to their self –esteem," said Dr. Renee Repka, Clinical Psychologist. "They then go on to be adults who don't feel very powerful or empowered or good about themselves."

KPD said it is doing whatever it can to raise awareness to an extremely important issue.

"We've been going to community groups, neighborhood watch groups, churches, schools. Just about anyone and anybody that we can get our message out to," Wooldridge said.

Twitter said it plans to expand their policies regarding self-hard and private information, as well improve support for family members of deceased users.

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