All the evidence against him arose out of pure accident. 
The evidence against him did arise unintentionally.
The evidence against him came up intentionally.
He called out excitedly to see who was there.
A group of people are sitting are sitting in the sand in front of the ocean.
That is fantastic, it must be non-stop thrills.
Older man showing aliens to young child.
The child is happy.
There are no banana trees behind them.