Short Story Of Megan's False Criminals

This is a short story about a young girl who is protecting her ten-year-old brother, who witnessed a hit man a murder. It all started when Danny the younger brother goes to his doctor's appointment alone, and sees a nurse bend over a very rich man and inject him with a poison. He notices that Danny saw what he did and that makes him a target, Danny flees from the hospital and races home using his bike, and he gets home and quickly locks the door. His sister Megan starts rambling about how Danny mistreats his bike but he does not care he goes to the bathroom and starts vomiting violently. Megan heard a knock on the door and goes to answer it, a detective flashes his ID and asks to see Danny, Megan being smart gives this person a hard time as Danny escapes out the window of the bathroom. Later the real police come asking for Danny, Megan tells them Danny had left and that she will contact them when she finds him. Megan then races to Danny's hideout and asks Danny to explain everything. As Danny finishes explaining the false detective from before arrives and in an attempt to eliminate all the witnesses, he pulls a needle out to drug both Megan and Danny.
Megan throws a doorknob at the false detectives hand and smashes the needle and the shattered glass of the needle plus the drugs is enough to incapacitate the false detective, Megan then calls the police and alerts them of the unconscious hit