He has cheated many people, and now the police is after him

[Freeguy]

He has cheated many people, and now the police is after him, no doubt if he is caught he will end up in prison. What's the related idiom for this explanations?

 

[bhaisahab]

He has cheated many people, and now the police are after him, no doubt if he is caught he will end up in prison. What's the related idiom for this explanations?

"He is on the run" is possible.

 

[MikeNewYork]

Also, "on the lam" and "in hiding".

 

[emsr2d2]

He's a wanted man.

 

[MikeNewYork]

The noun "police" has a singular form but has a plural use: the police are after him.

 

[emsr2d2]

Yes, bhaisahab pointed that out in post #2 by correcting it clearly in red in the quote box.

 

[MikeNewYork]

Oops!

 

[Rover_KE]

He has cheated many people, and now the police are after him, no doubt if he is caught he will end up in prison.

This is a comma splice. Change the comma to a semicolon or a full stop followed by a capital letter.

 

[Freeguy]

He has cheated many people, and now the police are after him; no doubt if he is caught he will end up in prison. Right?

 

[bhaisahab]

He has cheated many people, and now the police are after him; no doubt if he is caught he will end up in prison. Right?

Yes, it's OK.