- Corey Smith, 46, was fatally shot Monday in his West Little River, Florida, home
- Surveillance footage shows Charles Alexander, 15, was inside the home at time of shooting
- Alexander, who is considered Smith's nephew, was invited to stay at his home
- Police said they found $7,000 of Smith's cash inside Alexander's black bag
- Alexander's mother called police on Wednesday and said her son confessed
- He was brought before juvenile court on Friday and will be charged as an adult
- Alexander is the son of Lamar Alexander, 41, an ex-con killed last November
- Alexander and Ronnie Jerome Hill, 41, died in shootout with police
- They robbed jewelry store, carjacked a UPS truck, and led cops on chase
- A UPS truck driver and another motorist were killed in shootout caught on TV
Charles Alexander, who is said to have a history of mental illness, has been charged with second-degree murder and armed grand theft in the killing of 46-year-old Corey Smith on Monday.
Prosecutors in Miami-Dade County plan to charge him as an adult, the Miami Heraldreported.
Football coach shot dead in his home with his own handgun by nephew
Charles Alexander (left), who is said to have a history of mental illness, has been charged with second-degree murder and armed grand theft in the killing of Corey Smith (right), 46, on Monday.
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