The one in the umbrella of the customer who was arguing

(1)A PC room in Gyeonggi Province, 2387 1640
(2)There’s an argument between the customer and the owner
(3)There were bad comments coming and going
(4)a customer suddenly thrusting his hand into the umbrella
(5)When the owner felt strange and tried to check inside the umbrella
(6)a man who holds out his umbrella desperately
(7)At the same time, the owner calls 112
(8)With the help of the people around me, I took the umbrella and checked it out
(9)What’s in the umbrella is
(10)a kitchen knife with a total length of 30cm
(11)A man who rambles, saying he didn’t know there was a knife in his umbrella
(12)Arrested the man on charges of special threats