But family and friends said they believed a gang was behind the killing.

For that reason, they said, they believe at least one other person was behind the killing.

But the report admitted it could find no evidence about who was behind the killing.

I don't believe that they're the real reason behind the killing.

Some sources also pointed politics as another angle behind the killing.

The police say they still do not have a complete understanding of the motivation behind the killing.

But even so, officials close to the case refused to give clues as to who might have been behind the killing.

A traditional ruler was believed to have been behind the killing.

She'd hardly have gone running to the man who was behind the killing, would she?

"And do you have any idea who's behind the killing?"