scott mcfarland and the i-4 news team show you how riders responded. ♪ >> foggy bought only metro stationmidday. everything seems normal. trains coming and going. and passengers rushing on and off. some having their phones, buying tickets. beneath the escalator, something out of the ordinary. a knapsack. a small camera tucked inside. with metro's permission we put the bag there. 60 to 70 unattended bags are reported each month. someone calls metro police. agents come to inspect. the caller, unknown. but things slow down after that. we leave the bag in place. restart the clock. new crowds arrive. we wait. and wait for more than a half hour. at one point man on his phone stands directly over our bag. literally touching it with his foot. he doesn't report it. instead boards the next train. hundreds of passengers, several trains, come and go and the bag is either ignored or unnoticed. in the 39th minute of our test, janet of d.c. comes hustling off an escalator, through the gates, to security. >> i saw there was an unattended knapsack. i asked the next person if it was his. he said, no. i cam