Baliutaviciene's body was found by a mushroom-picker in a remote wood in western Poland two months after she went missing from her home in the British cathedral city of Peterborough, last August.
Prosecutors told the Old Bailey that Venclovas meticulously plotted his ex-wife's abduction after learning about her new life, applying for a fake passport and using the lover's credit card so that he wouldn't get caught.