10 of the 25 Lithuanian police battalions , working with the Nazi Einsatzkommando , were involved in the mass killings .
10 of the 25 Lithuanian police battalions , working with the Nazi Einsatzkommando , were are thought to have executed 78,000 people .
10 of the 25 Lithuanian police battalions , working with the Nazi Einsatzkommando , were involved in the mass killings and are thought to have executed 78,000 people .