For Leji

"For the tenth time he left his hotel room" - Should be "For the tenth time since he left his hotel room"
Instead of "smearing from his face" I would advise "dripping from his face"
"If he hadn't be so concerned" should be "If he hadn't been so concerned"
"Was an easy prey" Remove "an" : "Was easy prey"
"Awfully close from one of his pockets" change "from" to "to" - "Awfully close to one of his pockets"
starring is spelled wrong: "staring" is correct
"when preying on an insignificant mice" "mice" is plural, correct word would be "mouse" - "when preying on an insignificant mouse"
"had not time to loose" - should be "had no time to lose"
"Whereas he was still walking" - should be "While he was still walking"
"Still wondering who was that cunning asshole who just denied him his right to rob a tourist" - should be "Still wondering who that cunning asshole was that just denied him his right to rob a tourist"
"contempling" should be "contemplating"
"searching in the abundant trash that were spewing from anywhere" - change "were" to "was"
"Of course, he didn't came in Zaban because he liked the place" - should be "Of course, he didn't come to Zaban because he liked the place"
"were participating to an art exhange program" change "to" to "in"
"to share during a year their most prestigious works of art." would recommend "to share their most prestigious works of art that year."
"discreetly snatching his most valuables good" change "valuables good" to "valuable goods"