Five things you should know Wednesday, August 12.

1. An online image purports to show a Croatian hostage held by an Islamic State affiliate in Egypt has been beheaded. The still image was released Wednesday on social media. [Read more here]

2. Police are investigating an early morning shooting that left a 17-year-old boy dead and a girl, also 17, wounded. [Read more here, and check back for details]

3. Four metro Atlanta men are among nine people charged in what government officials describe as the largest known computer hacking scheme and securities fraud case. [Read the full story here]

4. When a Lowe's customer demanded a white delivery driver, the store manager called back the black employee on his way to the location. [Find out what happened here]

5. Try to go outside today. The high is expected to be 89, with a zero percent chance of rain. [See the full forecast here]