The safety of a Senior Superintendent was at stake, and he was also a Police Star with an extremely complicated network of connections.
The Police Force's response was almost as swift as it could possibly be.
The first reinforcements to reach the gates of CUHK were naturally the officers from Sha Tin District, South of the Border.
Traffic police, Uniformed Police Officers, and the Mobile Unit arrived in succession and immediately set up a cordon.
Even the head of Sha Tin District came to the scene in person.
Zhou Quan had never met him before, and the two had no personal connection.
After exchanging a few simple pleasantries, the man deferred to Zhou Quan's wishes and waited with him for the Security Department officers to arrive.
The next reinforcements to arrive were the Flying Tigers' aviation unit.
Two fully armed Action Groups, one assault team and one sniper team, were led by Zhou Quan's old acquaintance, Ling Jing.
The Flying Tigers' training base was all the way out in Fanling, after all, so even by helicopter, they arrived slightly later than the Sha Tin District officers.
Another ten-odd minutes passed before the Security Department's operational officers, led by Chow Sing Sing, finally reached the scene.
At most, only twenty-odd minutes had passed since Au Wing-yan made the call.
Under normal circumstances, the drive from the Police Force's Tai Kwun to CUHK took around forty minutes.
Yet Chow Sing Sing had taken less than half an hour to assemble his men, set out, and arrive before Zhou Quan, showing just how swiftly he had responded and acted.
"Boss!"
The normally cheerful, sunny Chief Inspector Chow wore a rare, dark expression.
He came to a halt before Zhou Quan without saying much.
In truth, however, Chow Sing Sing's heart was already filled