The manhunt for 32-year-old Travis Decker is expanding across the country, as Chelan County authorities warn that the fugitive father—accused of kidnapping and killing his three daughters—may be capable of surviving off the grid for months.

Three Wenatchee girls, ages 5, 8 and 9, were found dead on June 2, a few days after they were reported missing following a visitation with their father, Travis Decker. Authorities are conducting an extensive multi-county manhunt for Decker,