Many cyberstalkers remain at large, however, because most municipalities don't have the necessary expertise and manpower.

CNN: Feds find dangerous cyberstalking hard to prevent

Until all states pass cyberstalking laws, investigators will spend too much time getting search warrants while cyberstalkers continue terrorizing their victims, Thackeray said.

CNN: Feds find dangerous cyberstalking hard to prevent

Despite the obstacles, investigators such as Gail Thackeray are pleased to have new state laws that provide tougher sentences for cyberstalkers, who now often end up with little more than a penalty of community service.

CNN: Feds find dangerous cyberstalking hard to prevent