up against the wall

His withered legs hung over the seat of his wheelchair like wet pants draped and waiting to dry.
"They shot my ass," the man said.
"Who?"
"Cops man," he squealed impatiently, as if the nurse were asking the most self evident question imaginable.
"When?"
"Ten years ago."
The two sat across from one another in silence.
"What do you want me to do?" the nurse asked.
"Listen to me man, just listen to me."
He pushed and pulled at the wheels of his chair, rocking rhythmically. If he were a man with legs he would be shuffling his feet, or jiggling his knees.
He started haltingly.
"My little brother got shot first," he said, then his voice trailed off.