Allen County sheriff's spokesman Cpl Jeremy Tinkel said investigators found the body of Aliahna Lemmon in the county, but he wouldn't say where.
He also said 39-year-old Mike Plumadore was 'interviewed by police and taken into custody at 9pm and charged with murder.'
Plumadore, who had been watching Aliahna and her sisters before she was reported missing late Friday, is scheduled to appear in court on Tuesday.
Earlier Monday, FBI agents descended on the rundown mobile home park in Fort Wayne where Aliahna lived.
The park is a known haven for registered sex offenders, though Plumadore isn't on Indiana's registered sex offenders list. He has a criminal record in Florida and North Carolina that includes convictions for trespassing and assault. Read More