Caught in the act, and somewhat flurried he hastily shuts and locks his desk. 
Someone caught him, and he then locked his desk.
He took his time in shutting and locking his desk.
In addition, the specificity was lacking.
A woman is playing on her drum set.
The elderly gentleman was walking down the street.
The community has always had at least one church.
The animal is walking outdoors.
The child is throwing a ball.