Peter Moller, center, co-head of the Danish Korean Rights Group, and Korean adoptee activists pose with an application for an investigation into alleged rights violations of overseas adoptees at the Truth and Reconciliation Commission in Seoul, Nov. 15. Yonhap

Over 30 cases of alleged human rights violations suffered by Korean adoptees sent abroad decades ago have come under an investigation, a state truth panel said Thursday.

The Truth and Reconciliation Commission said it decided earlier this week to start an investigation into 34 cases of alleged human rights infringement of children in their overseas adoption processes between the 1960s and 1990s.

The commission suspects that the human rights of some overseas Korean adoptees were violated through illegal acts, such as kidnapping or document manipulation, during their adoption process.

It has been confirmed that a child was recorded as an "orphan" in their adoption document even though they had parents, while another child was adopted under someone else's identity, the panel said.