Police: 16-year-old Florida boy charged with killing 10-year-old sister

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Isabella Heffernan (Photo from Bay County Sheriff's Office)

FOUNTAIN, Fla. (Feb. 22, 2016) – A 16-year-old is charged with murdering his 10-year-old sister.

Frederick Matthew Lochridge was arrested on a count of murder in connection with the death of Isabella Heffernan.

According to the Bay County Sheriff’s Office, 10-year-old Isabella was last seen late Saturday night when she went to bed. Her family reported her missing around 11:30 a.m. Sunday, setting off a large search that included helicopters, mounted police and K-9 units.

Search crews found her around 4 p.m. in a field behind her home and said her brother was the lead suspect in the case.