Whether a jury's failure to return a verdict has collateral estoppel effect

QUESTION PRESENTED Whether it is clearly established that a jury’s failure to return a verdict, which is tantamount to an acquittal for double jeopardy purposes, will have collateral estoppel effect where the record establishes that the relevant issue was actually and necessarily decided in the defendant's favor applying the test in Ashe v. Swenson, 397 U.S. 436 (1970)? i LIST OF PRIOR PROCEEDINGS The