activator - (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription. 1  substance - the real physical matter of which a person or thing consists; DNA is the substance of our genes.
In 2006, in cases where police officers intentionally fired a gun at a person, they discharged 364 bullets and hit their target 103 times, for a hit rate of 28.3 percent, according to the departmentâs Firearms Discharge Report. The police shot and killed 13 people last year. In 2005, officers fired 472 times in the same circumstances, hitting their mark 82 times, for a 17.4 percent hit rate. They shot and killed nine people that year.
Combined, it is under 1,000 per year---more people are murdered with knives. FBI data shows that most murders are done with handguns. Random killings are very rare, most are between people who know each other or rival gang members. In other words, stay out of bad areas, such as parts of Rahmaland, and your chance of being killed by a stranger is very, very slim. Further data to contemplate: In 32% of the murders in 2010, no firearm was used at all.