填空题
According to the FBI, how many robberies were solved by the police last year in terms of percentage?
填空题
What is the percentage of burglaries reported to the police?
填空题
How long have solution rates for these four crimes remained virtually unchanged?
填空题
Why are robberies solved more often than burglaries, larcenies or auto thefts?
填空题
Why cannot the police convict most burglars?
填空题
What's the best way to increase the closure rate?
填空题
What's the average auto theft loss in 1997?
填空题
Whom will teenagers kill?
填空题
How is the nature of murder now?
填空题
In summary, what did the speaker talk about?