Kenyan convicts teach themselves law to win freedom

"Last week Abdi's sentence was reduced from death to seven years. We also helped another inmate win his appeal, and he has already left," says Douglas Owiyo, one of a team of prisoner paralegals at Shimo La Tewa maximum security prison in Mombasa.

Since 2007, when he and a dozen other inmates were trained in the law, they have launched more than 3,000 successful appeals, even though they are not fully qualified lawyers