Well this is no coincidence as The prophet Mohammed has sex with a nine year old when he was 54 , says it all and if they are following in his footsteps shows why a lot of Muslim men are involved in this type of crime!
Sahih Muslim Book 8, Number 3310:
'A'isha (Allah be pleased with her) reported: Allah's Apostle (may peace be upon him) married me when I was six years old, and I was admitted to his house when I was nine years old
Sahih Bukhari Volume 7, Book 62, Number 64
Narrated 'Aisha:
that the Prophet married her when she was six years old and he consummated his marriage when she was nine years old, and then she remained with him for nine years (i.e., till his death)
Sahih Muslim Book 8, Number 3310:
'A'isha (Allah be pleased with her) reported: Allah's Apostle (may peace be upon him) married me when I was six years old, and I was admitted to his house when I was nine years old
Sahih Bukhari Volume 7, Book 62, Number 64
Narrated 'Aisha:
that the Prophet married her when she was six years old and he consummated his marriage when she was nine years old, and then she remained with him for nine years (i.e., till his death)