voluntary on krista's part. >> reporter: police say the baby's father is not a suspect. they contacted him. dittmire worked as a waitress 25 miles from where they are car was discovered and wasn't known to be dating anyone. her sister is quoted as saying she did have acquaintances in the area. hopefully they will get answers after they track the cell phone records. for now the ground search is off. cops are following up on many leads and the family friends is organizing a candlelight vigil beginning at 8:00 p.m. in maine. shannon: thank you. this is a fox news alert. breaking news on our top story. a significant tornado threat raising big concerns in the middle east.