Police found the children home alone on September 21 when they were called to carry out a welfare check. She didn't plan on returning until October 1, but police contacted her and told her she needed to return to the USA immediately. She made no arrangements to provide supervision of the children while she was away, according to police.
Macke has since been arrested on four counts of child endangerment and one count of making a firearm available to a person under the age of 21.
The ex-husband of a woman who police said abandoned her children as she jetted off to Europe for a vacation said her departure was "an intentional premeditated act".
A mother from Iowa is in trouble with the law over a vacation and the plans she had for her children's care.
As for her children, the twins are staying with extended family members while the other two are with their father.
How much is the dollar? (September 27 prices)
Shortly after the opening bell, the Dow Jones Industrial Average rose 62.10 points, or 0.28 percent, to 22,346.42. In Europe, the Stoxx 600 Index was 0.3 percent higher at 5:50 a.m., with S&P 500 futures gaining 0.1 percent.
The children were held in custody by the Iowa Human Services Department and have now been released to relatives.
Once she returned, she was arrested. "I mean, we're only talking about 12-year-olds being the adults here".
Police were called to her home the day after she disappeared following a report from a concerned resident.
She's now at the Polk County Jail on $9,000 bond according to jail records.
Cops say the day after the mom left the country, they got a tip the children were home alone in their apartment.
Her next scheduled court date is October 9 in Polk County.