Shot through the heart (now whose to blame?) (джен)

April and Casey were waiting in the lair for the turtles to return and were busying themselves in the meantime by helping Master Splinter re-organise their home while his overly boisterous and sometimes destructive children were on patrol, and Casey had just managed to place the final box of candles in its place when frantic yelling and the heavy sounds of many running feet echoed down the tunnel and suddenly the whole place was alight with sound and action.