forensics Flashcards
what are the cultural problems in defining crime?
polygamy illegal in uk practiced in other cultures
Culture: 74 countries homosexuality and in 13 countries it is punishable by death. So important to highlight cultural relativism when defining crime.
Age: In the uk the age of criminality is about 10. However the case of 3 year old james bulger age 3 who was murdered by 2 10 year olds.
what is actus reuses and mens rea?
when a guilty act violates the law it is actus reus. when person commits crime intentionally this is mens rea or guilty mind.
what are offender surveys?
target groups of likely offenders based on previous convictions and risk factors. individuals volunteer number and types of crimes they have committed.
what are victim surveys?
ask victims to document the crimes they have been part of in the past year
what are official statistics?
published by the home office annually to document all the crimes reported by the police.
problems with offender surveys
lack validity unlikely to be truthful about the extent of their own criminality. cant remember how many crimes they have committed or when they took place.
problems with victim surveys
telescoping as victims may get years mixed up reporting crime that happen years ago. unaware victims of crimes, item misplaces not stolen. more accurate than official statistic report crimes that they would not go to the police with.
problems with official statistics
lack validity,unreported and unrecorded crime
25% only reported to police
75% dark figure of crime, victims unaware or afraid to share experiences
police dont take crime seriously
misleading as counts number of criminal act not number of criminals relatively few account for most crimes.
lack reliability differences between police forces as what is considered crime. theft under £10 not taken into account by some police
what offender profiling
FBI approach, offender profiling predict and profile characteristics of unknown criminal by using what is known about criminal and crime scene evidence. Relies on past experiences and computer databases.
what is top down approach?
start with big picture, science unit, Drew upon data gathered from in depth interviews from real 37 serial killers such as TED BUNDY and charles manson. use info about criminal and crime scene to atch exisitng profile.
what do top down profilers organise lust murdered into?
1980 hazelwood an Douglass came up with organised and disorganized crime
what is modus opernadi
every criminal has their o wn unique way of working
what are characteristics of an oraganised criminal?
high intelligence, shows self control at crime scene, skilled occupation, follows media cover of crime
what are the characteristics of a disorganised criminal?
unskilled, unemployed, minimal preparation
who is ted bundy?
Ted Bundy, organised serial killer, handsome, charming , intelligent used to win trust of his victims. fell in love with a wealthy young woman from california, upon their break up, felt devastated and many victims resemble his college friend