>> They were with my aunt and uncle's on the 20th.>> 30 year old Erin Mackey makes her first court appearance after being arrested for leaving her 4 young kids home alone. Her reason, she was on a ten day European vacation.>> All of her sitter options fell through, and she left the kids in the care of the two 12 year olds.
>> Police discovered the four children inside their Johnston, Iowa apartment after receiving a tip from the father of one of them. Home alone were a 6 year old, a 7 year old and 12 year old twins. Authorities say the mother had left the country for Germany a day earlier and wasn't planning on returning until October 1st.
>> We called her. She answered the phone, had a conversation with our officer, did not see it being a problem.>> Mackey eventually returned to the US six days later. Her children were handed over to the state's Department of Human Services before being placed with relatives.>> We have situations where parents go next door, or parents may go out for the night.
And while that's not advisable either depending on the age of the children, obviously leaving the country Is a totally different situation.>> Mackey faces multiple charges including child endangerment and is being held at the county jail. She's been ordered not to have contact with her children.