Italian officials say the kidnappers may have been a criminal gang tied to the Taliban.
Eleven suspected drug dealers from Rio's main criminal gang - the Red Command - were also arrested.
Two weeks ago the Bombay police killed four gunmen, who, officials said had links with a notorious criminal gang.
Vladimir Milisavljevic was detained in Valencia last February, together with three other alleged members of a feared Serbian criminal gang, Zemun.
BBC: Spain to extradite convicted killer of Serb PM Djindjic
Police said that a criminal gang masqueraded as an online gaming friend and abducted him after arranging to meet him last week.
Ackerman concedes that the kidnapping and extortion threats he describes are more likely to be committed by a criminal gang than a terrorist cell.
But the ouster of President Jean Bertrand Aristide, coupled with the current campaign for a new leader, has resulted in a spike in criminal gang violence.
There, they reportedly got into an argument, with the three youths claiming they were members of a criminal gang and Ms Chavez telling them she was an undercover policewoman.
Speaking to BBC Northern Ireland's Spotlight programme, a man claiming to be part of a criminal gang said he had delivered horses to the abattoir on "multiple occasions" on forged papers.
Power was recorded saying he had contacts with a London criminal gang and that the robbery would take three months to set up and Barry would receive a percentage of the proceeds.
In his force's fight against organised crime in Manchester, Sir Peter said it was often able to penetrate the top of a criminal gang by linking "foot soldiers" selling drugs or stolen goods to those running operations.
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The officials who dealt with the abduction said they suspected rogue members of the Moro Islamic Liberation Front, a former Muslim secessionist group that signed a preliminary peace accord with the government last year, the Abu Sayyaf group and the Al Khobar criminal gang collaborated in detaining Rodwell and negotiating for a ransom.
This has given rise to a huge amount of gang and criminal activity inside Mexico and along our southern border.
In October 2010, Randy Soto was arrested and charged with a host of counts, including murder, attempted murder, gang assault and criminal possession of a weapon for his alleged role in the melee, authorities said.
According to a new study by the Centres for Disease Control and Prevention (CDC), which looked at five cities with high numbers of gang murders between the years 2003 and 2008, drug trading or usage and other criminal activity ranged from zero to 25% of all gang-related killings.
The gang has grown into a sophisticated criminal enterprise where members are assigned military titles like "general" and extort money from fellow prisoners, regardless of race.
Richmond Mayor Gail McLaughlin said that although authorities characterized those arrested as "criminals and gang bangers, " only 18 had criminal convictions.
Or, God forbid, a criminal who has come to case the territory for a gang of burglars?
At the time, Colombian Defence Minister, Juan Carlos Pinzon, said the gang had "killed more people than any other criminal network in Colombia in the last 10 years".
It said the launch of the Trident Gang Crime Command to tackle an estimated 250 active criminal gangs in London, using a combination of enforcement and preventative approach, has had its impact.
Using a map of criminal activity produced by a CyberTracker, police arrested and convicted a gang of muggers that had been prowling a beach near Mr Liebenberg's home.
Public broadcaster Radio Canada said he had ties to the Hell's Angels motorcycle gang, which police have said is involved in alleged criminal and drug activities and organised crime.
The Criminal Law Amendment Bill 2013 is meant to replace an interim law which was introduced last month following the brutal gang rape of a young woman in New Delhi.
The seventh member of the gang, Ezzat Hamasleh, of Beaks Farm Gardens in Edgbaston, Birmingham, laundered the group's criminal proceeds.
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