nd liable as a joint venturer for a killing that occurred during a burgla- ry at which she was not present. Halber- stain, 705 F.2d at 488; see also Lurnbard v. Maglia, Inc., 621 F.Supp. 1529, 1536 (S.D.N.Y.1985) ("[T]hose who aid or abet or conspire in tortious conduct are jointly and severally liable