urban legend?

so i heard a really funny story a few weeks back and i was wondering if it's true or not.

i heard the story through a friend of a friend, and it was about one of her friends, who i do not know. and then emily told the story to one of her friends at work, who had also heard the story. she made it sound like the people are somehow connected, but i am skeptical. anyway, enough rambling. let me tell the story:

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a woman and her boyfriend, who live in nyc, were dogsitting a small terrier. they came home from work one day and found it dead. they didn't know what to do with it, exactly. so they researched the matter and found a place to take the dog--to dispose of it. being in nyc, they had no car. so the woman wrapped the dog in a plastic bag and stuffed it in her work bag (a laptop bag). she got on the subway with the dead dog in the bag. after a stop or two, a guy started chatting her up. it went something like this:

the guy: wow, that bag looks heavy.
the girl: yeah, i was working late so i have my laptop.
the guy: oh that sucks. i hate working late.
the girl: yeah. (thinking...oh my god, i have a dead dog in my bag. leave me alone.)

the guy continued to flirt with her and she just went along with it. finally, the guy announced that he was getting off the subway. he told her it was nice talking to her, etc. just as the doors opened, he grabbed her back and ran off the train with it, as the doors closed.

he took off with the bag. he thought he scored a laptop. little did he know there was no "intel inside"--there was a dead dog inside.

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okay, so to me this story is AMAZING. i only wish that it happened to me. but i would never touch a dead dog. nor would i put it in my bag.

but is it real? have you heard this story, or something like it, before?