11/4/08 Homicide Murder by Relationship -Family/Romantic ? 15-20%, 30% of known -Acquaintance ? 25-30%, 45% of known -Stranger ? 15-20%, 25% of known -Unknown ? 35% Murder by Circumstance (Unknown ? 30%) Of known cases Felony Type ? 20-25% -Robbery ? 45% -Drugs ? 25% -Rape - .005% ?Instrumental Killings? Other than Felony Type Arguments ? 45-50% -?Expressive Killings? Gang Killings ? 10-15% -?Instrumental and Expressive Killings? Situational Side -Time and Day of Week -Role of alcohol and drugs -Disputes over? -Victim Precipitated ? victim is first to physically attack or display weapon Subculture of Violence 1. Norms requiring use of violence ? learned via differential association 2. Low Threshold of Insult 3. Self Concept 4. Problem Solving Strategy/Method of Control 5. Lifestyle/Violence Likely Situations Gender Differences % of all victims Males ? 75% Females ? 25% % of offenders Males ? 90% Females ? 10% Sex of offender-victim M-M ? 65% M-F ? 25% F-M ? 8% F-F ? 2% Mate Slaying 40% of female victims killed by husbands/boyfriends 5% of male victims killed by wives/girlfriends Dangerous places in home -Kitchen ? males most likely to be killed -Bedroom ? females most likely to be killed Similarities in male-female murderers -in motives -demographic or background characteristics -time of day -tend to rise and fall in tandem Key Differences -females kill a lot less -females seldom kill other females -females at risk to kill infants -juvenile females very seldom kill -females use arson, poison, knives, whereas males use firearms -females more self-defensive or victim precipitated -females seldom commit felony type murders -females seldom commit mass or serial murders Mass killings -grievances (revenge, love) -more common in US than other countries -media coverage of killings and availability of firearms contribute to higher % of mass killings in US
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