DNA TESTING DOG POOP???

Usually they wait for the train to go by, before they crap on the tracks. They also wipe their *** with their hands. 'Course, dogs use their tongues.
That's why you shake with your right hand as the wipe their *** with their left. India, no...how about San Francisco! Here is a bum **** map from Jan, 2015. They even have a 311 number to call when you step in, er...see one.
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and here is a real time map.upload_2018-3-25_20-48-2.png