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Starting to work on the case
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Recently, the number of theft cases targeting persons withdrawing cash
from a bank or an automated teller has increased. Techniques such as purposely
putting something on someone's clothes or dropping money in front of him
has been used to avert the attention of a potential victim.
The number of theft cases involving lock picking tools has increased as
well, with their techniques getting more devious than ever.
Moreover, crimes utilizing computer technology has also increased and
includes producing counterfeit and altered credit cards. Thus, crime has
become even more malicious and cunning as ever. In an effort to expeditiously
solve these constantly evolving crimes, the MPD is relentlessly improving
its investigative procedures with new technical equipment and training.
Meanwhile, each MPD investigator continues to actively do their job to
prevent future crimes from occurring and ensure the residents of Tokyo
continue to live in a peaceful and safe environment.
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| Aiming for the 100% Clearance Rate |
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In 2002, the penal code offenses numbered 301,913 (excluding the traffic
accidents and offenses) in Tokyo. This was equivalent to 10.6% of the nationwide
total offenses, 2,853,738.
The clearance rate that the MPD achieved last year was 99.2% for murders,
54.9% for robberies, and 44.5% for burglaries. The MPD will keep working
hard around the clock to solve all the crimes that threaten Tokyo residents. |
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| Artist sketch drawn by an investigator |
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| Crime Known to Police in Tokyo(2002) |
| type of crime |
number of cases |
| theft from parked cars |
28507 |
| burglary from unattended house |
21123 |
| motorcycle theft |
18027 |
| pickpocketing |
10534 |
| snatching |
5607 |
| fraud |
4613 |
| bodily injury |
3535 |
| assault |
2677 |
| car theft |
2333 |
| robbery |
1034 |
| theft targeting persons withdrawing cash |
129 |
| murder |
125 |
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Meeting with investigators from abroad |
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Gathering information near the scene
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Gathering activities at the scene of crime
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| When a crime takes place, the investigators of the Identification Division
are dispatched to the scene. Evidential materials collected at the scene
serve not only as important clues for solving the case but also as the
important exhibit items at the trials. The job of evidence gathering thus
requires perseverance and expertise. The scientific knowledge plays an
essential role in solving criminal cases that take place in recent years
as they are more elusive and complicated than before. With the help of
high- performance equipment the Criminal Investigation Laboratory analyzes
the DNA patterns, firearms, voice and sound, documents and handwriting,
narcotics and other substances, and has made a remarkable contribution
in solving crimes and accidents. Investigators with a nose that knows -
the canine unit is also helping a lot for police work. Police officers
rely much on the canines' capability in tracing offender's escape routes,
searching drugs and firearms, and subduing the armed criminals. |
Lifting footprints |
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| Police dog following an offender's odor |
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Instruments used to identify the narcotics,
stimulants and other toxic substances
[Gas chromatography mass spectrometry instruments] |
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| High-tech Is a Must in Solving Cases |
In order to tackle the recent crime trends toward getting more heinous,
involving wider area, transnational, swift operation, and high-tech oriented,
the MPD uses the both conventional methods and the latest methods such
as computer technology. Investigations of a scientific scope have been
shouldered by the Identification Division and by the Criminal Investigation
Laboratory. They proved very effective in the works of collation, analysts,
identification and testing. Further improvement of mobility as well as
the advance of scientific investigation lead to the swifter apprehension
of culprits.
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| Working on a composite photograph |
Lifting footprints |
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| Microscopic examination |
Examining a counterfeit paper currency |
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