By Liam Buckler A missing woman was in a heated custody battle at the time of her disappearance \- as investigators believe “foul play” could be involved after their car was found abandoned. Veronica Butler, 27, and Jilian Kelley, 39, were supposed to pick up the former’s children in Eva, Oklahoma on Saturday but they failed to make it to their destination. A car belonging to them was found abandoned close to Highway 95 in rural Texas County, according to police. “Based on the information obtained from the victim’s vehicle, our investigators believe there was evidence to indicate foul play,” t…