Galván in front of his house in a neighbourhood in the east of Mexico City. Calling himself Ese Gorrix, he sings songs about the work of the Mexican security forces. Photos: Jair Cabrera Torres/dpa
Policeman Alan Galvan has a recording studio in his home on the outskirts of Mexico City. When he isn't at work, this is where he raps.
He fixes his cap and bullet-proof vest over his blue uniform then puts on headphones, seizes the mike and starts talking.
