Does this sound natural in English?

"John grew up and he was 10 years old. They wanted to join him to their gang. They wanted him to be a thief. They began to teach him how to steal from people. They told him to take any orphan from the streat and bring him to the woods. When he became 20 years old, the engaged him to the dangerous thieves. They wanted to steal the house of the wealth lady. They made a plan.. In the evening, while everybody was sleeping, they attacked the house of the lady. Three of them watched that the place was safe. The other got into the room which contained the safe. They stole the jewellary and the money from the safe. The lady heard the sound from the room and she called the police. While they got out from the room, they the police in front of them "