State v. Corean, 791 N.W.2d 44

Corean was convicted of accessory to murder and aiding and abetting aggravated kidnapping. The principal in the murder testified post-trial, prompting remand for evidence supplementation, discovery, and a new-trial motion; the circuit court denied relief after an evidentiary hearing. The court held that the new testimony was undiscoverable, but was cumulative and impeachment, not likely to produce an acquittal. Corean appeals the denial of new trial and judgment of acquittal, and challenges admission of co-conspirator letters, jury instructions, sufficiency of the evidence, and the lifetime sentence. The State introduced co-conspirator letters as admissible under Rule 801(d)(2) and the residual hearsay exception; extensive discussion evaluated credibility, timing of Klug’s death, and conspiracy evidence. The court affirmed, upholding the new-trial denial, admission decisions, jury instructions, sufficiency of evidence, and the mandatory life sentence.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether post-trial testimony requires a new trial	Corean asserts post-trial testimony would likely produce acquittal	Corean contends new evidence is undiscovered, material, and would probably yield acquittal	No: testimony cumulative and impeachment; unlikely to change outcome
Whether co-conspirator statements were admissible	State/State’s theory that letters were in furtherance of conspiracy	Corean argues she was not a conspirator and statements were improperly admitted	Admissible: letters fit co-conspirator and residual hearsay exceptions and continued conspiracy
Whether jury instructions were proper	Corean disputes admissions and accomplice instructions	Court’s instructions adequately guided jury and were not prejudicial	No reversible error; instructions proper and not prejudicial
Whether there was sufficient evidence to sustain convictions	Evidence supported aiding and abetting kidnapping and conspiracy to murder	Evidence insufficient or improperly corroborated accomplice testimony	Sufficient evidence supported verdicts
Whether the sentence constitutes cruel and unusual punishment	Mandatory life sentence without parole is disproportionate	Legislature authorized life imprisonment for kidnapping; proportionality is deferential	Affirmed: mandatory life for kidnapping upheld against Eighth Amendment challenge

State v. Shepard, 768 N.W.2d 162 (2009 SD 50) (new-trial standard for after-discovered evidence)
State v. Reyes, 695 N.W.2d 245 (2005 SD 46) (after-discovered evidence requirements)
State v. Gehm, 600 N.W.2d 535 (1999 SD 82) (extraordinary relief for new trials; abuse of discretion standard)
State v. Tiegen, 744 N.W.2d 578 (2008 SD 6) (post-trial credibility of co-defendant; conspiracy context)
State v. Smith, 353 N.W.2d 338 (SD 1984) (admissibility of coconspirator statements)
Jenner, 434 N.W.2d 76 (SD 1988) (continuation of conspiracy and admissibility of related acts)
Estate of Gibbs, 490 N.W.2d 504 (SD 1992) (circumstantial evidence linking actor to conspiracy)
State v. Olhausen, 587 N.W.2d 715 (SD 1998) (accomplice testimony corroboration rule)
State v. Kaiser, 526 N.W.2d 722 (SD 1995) (shock-the-conscience proportionality analysis in conspiracies)
Simmons v. Iowa, 28 F.3d 1478 (8th Cir. 1994) (proportionality of life sentence for aiding and abetting kidnapping)
Harmelin v. Michigan, 501 U.S. 957 (1991) (proportionality considerations in non-capital sentences)
Ewing v. California, 538 U.S. 11 (2003) (proportionality principles outside capital context)