Voter Intimidation is definitely illegal but the penalties are weak...
Voter Intimidation
QUOTES:
The good news...
"
Economic voter intimidation also exists, where an employer or supervisor threatens a persons job if he votes for a particular candidate or party against the wishes of the company or union. Former felons suffer intimidation when they are told that they are ineligible to vote when they are eligible or banning non-felons due to record-keeping errors. Conversely, in Florida during the 2000 presidential election, almost 20,000 people with names similar to felons were disenfranchised when an error-ridden list of felons was used to bar them from voting. In the 2004 presidential election, voters received phone calls with false information about changes in voting locations or misinforming them that they should vote on Wednesday instead of Tuesday."
....and the bad news....
"Currently, there are federal laws that make voter intimidation illegal, but their lenient penalties have spurred lawmakers to introduce legislation with more teeth. The Voting Rights Act of 1965 and the National Voter Registration Act of 1993 prohibit persons from intimidating or attempting to intimidate, threaten or coerce another person for the purpose of interfering with their right to vote freely in federal elections.
However, the maximum penalty for conviction on a charge of voter intimidation under federal guidelines is a fine and/or no more than one year in prison, which has hardly deterred voter intimidation schemes in the past."