Adrian and Bernadette Mooney arrested trying to leave Romania with a 5 month old Monica Baiaram. They were too old to adopt legally.

Girl stolen from a field hospital in the civil war is located by her birth family.

John Davies encouraged Romania woman to give birth or abandon Romanian children in Hungary to circumvent Romania's adoption rules

Misc trafficking cases from Ukraine

From 1992 to 1998, Judge Beethoven  in Jundiai, Brazil presided over 200+ international adoptions. At least 90 families in a group called Mothers of the Courthouse Plaza claim their children were taken against their will.

Lauryn Galindo, provided approximately 700 Cambodian children to American couples for adoption. The only problem is that some of the children were not orphans; many of them had been virtually stolen from their parents. See also:
Camryn Mosley case
Srey Lieu and Srey Mom, Kim Sophoan's daughters case
Main Dim's son

Misc trafficking article including Today's Adoption Agency

Hundreds of children were stolen from dissidents and placed with military families and others - some internationally - during the Military junta of the 1970's and 1980's.

Articles about adoption trafficking in Cambodia. Facilitators listed include baby finders and others involved in the child location process.
See also Vietnamese and Cambodian infants trafficked to China case