Scary black man ...

Not so much. The last conversation Trayvon had before that cracker asshole killed him for Walking While Black:

...

Recounting her conversation with Martin, the teen girl said, "He said this man was watching him, so he put his hoodie on. He said he lost the man."

"I asked Trayvon to run, and he said he was going to walk fast. I told him to run but he said he was not going to run," she said.

After a few minutes, the girl said, Martin thought he was safe. But eventually the man appeared again.

"Trayvon said, 'What are you following me for?'" the girl said. "And the man said, 'What are you doing here?' Next thing I hear is somebody pushing, and somebody pushed Trayvon because the [phone’s\] headset just fell."

...