A recent Ottawa Citizen column commented on an incident in R. v. Elliott, a prosecution for criminal harassment involving Twitter activity.
A person who fears violence from a family member may be able to get a protection order in family court.
Section 183(2) of the BC Family Law Act says:
Judges must make decisions based only on the evidence (what you say in the witness box, documents, photographs, etc.) presented during a trial, so be sure to bring ALL the documents that you want the judge to see with you to court on the day of your hearing or trial.