Many such reports here.
http://listserv.arizona.edu/cgi-bin/wa?A2=ind9 711b&L=birdchat&P=5715
Whether they are factual or not I cannot say, but there is no reason why an eagle couldn't carry a young child away as carrion. Baby-snatching by eagles was once quite common in Scotland and the Isles.
In all the old tales of avian abductions, children who survived the journey through the air were mentally altered. Often they became the shaman or wise person in their society. A Persian boy, discovered in an eagle's nest, went on to become Shah.