This isn't specifically for the crockpot, but since it calls for slow roasting I don't see why not.

That's always how I do meats for shredding/pulling. If you're not used to the Tabasco, you might try what I used to do. Start with WAY less than it calls for (maybe 1/8 cup aka 2 Tbl for this recipe) and then once the meat is cooked through, but before it's finished, taste it & start adding more. We're not fans of "hot" but do like a little kick.

Oh - and FYI, I haven't tried this one.
Hard Rock Cafe Pulled Pork
Posted by FootsieBear at recipegoldmine.com - April 2001
Source: Brett Freifeld, Chef, Hard Rock Café, Orlando
1 quart hot water
1 quart apple-cider vinegar
1/2 cup Tabasco® sauce
1/2 cup granulated sugar
1 pork shoulder, boned (approximately 3 pounds)
In a large bowl, add vinegar, Tabasco sauce and sugar to hot water. Stir to dissolve sugar. Pour marinade over pork, cover and refrigerate for at least 12 hours.
Remove pork from marinade and place in a baking pan. Cook in a preheated 450 degrees F oven until well browned. Cover with foil. Pour some marinade over pork, lower temperature to 300 degrees F, and slow-roast for an additional two hours or until meat pulls away easily from the bone.
Yield: Serving size depends upon personal preference.