Read: 15-yr-old girl raped and set on fire

The suspect identified as, Matthew Lane Durham, 21, had reportedly committed the "heinous crime on the most vulnerable victims," according to a US court.

the reports reveal that Durham had targeted orphans while working as a volunteer at the Upendo Children's Home in Nairobi, Kenyal, between April and June, 2014.

According to reports, Durham is not the first charity worker in Kenya to be convicted of sex crimes against their wards.

Despite denying the charges, Durham has said he was sorry that the accusations against him had damaged the orphanage.

Read: Man caught trying to rape 8-year-old girl stripped naked and beaten publicly [Graphic]

The court reportedly ordered the former charity worker, who had been arrested in 2014 at the home of his parents in the US after running away from Kenya, to pay restitution of $15,863 (£11,000).