Two of the suspects have confessed to Saturday's attack, while the third denies any responsibility.
Eight of them are said to have confessed in court, and some have repeated their confessions on television.
Police in Brazil say three people arrested on suspicion of murdering at least two women have confessed to acts of cannibalism.
At the hearing on Thursday, four of the other suspects were said to have confessed to their crime and asked the judge for leniency.
"They have confessed about people who have contracted them, either by paying them in cash, or in the form of cattle, " said Mr Missika.
"Some of the suspects we are holding have confessed to killing these old women, " the Shinyanga regional police commander, Mr Abdallah Missika, told the BBC Focus on Africa programme.
The results of the investigation, made public by Gov. Nathan Deal, showed that the cheating occurred at 44 schools and involved at least 178 teachers and principals, almost half of whom have confessed, the governor said.
The arrests last Friday were made after a man identified as Djamel Begal, being held in the United Arab Emirates, was alleged to have confessed to planning an attack on the U.S. Embassy in France and gave names and addresses of extremists living in Paris, police sources said.
So far, more than 200 students have already confessed to having cheated.
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The BBC understands Armstrong has held recent discussions with other cyclists who have themselves confessed to doping.
Some, say the company, have already confessed to scheming against Koch.
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The authors of the 20-page document have since reportedly confessed that their allegations were baseless.
Salim Malik and Ijaz Ahmed were also brought before Judge Qayyum in Lahore but only Warne, Waugh and now Cronje have so far confessed to accepting money.
When producing a show for a cable or network channel, Hurwitz confessed that you have to make "flat" programming -- stuff that'll satisfy a huge, huge demographic.
The authorities in Thailand have arrested a university student who reportedly confessed to hacking into the Prime Minister's Twitter account.
And Boardman, a self-confessed "paranoid type", does have a nagging feeling of doubt at the back of his mind.
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The self-confessed "ice cream junkie" is alleged to have been found intoxicated nearby with ice cream on his face and clothing, after breaking into the church's deep freezer.
Having initially confessed in the belief that they would be repatriated to Britain, they have now withdrawn their statements, saying they were made under duress.
"As a group of players we have just decided to protect ourselves more than anything, " said Wales centre and self-confessed tweeter Jamie Roberts.
In 1987, Brady and Hindley confessed to two further murders - those of Pauline Reade and Keith Bennett, whose remains have never been found.
When I told them I didn't have any butter because people had bought up all there was in the stores, one of our friends confessed, looking a little abashed, that she had six packs at home.
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