In a study of homicide victims killed by an intimate partner, it was found that 43 percent had experienced a non-fatal strangulation by their partner prior to their murder. In attempted homicides by an intimate partner, 45 percent of victims had been strangled before the attempted murder. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.