State highest court

Supreme Court of Guam

The 40 most recent opinions analysed by LawDiver, newest first. The case name opens the published case page. Read full opinion opens the opinion text.

Recent opinions

GuamPeople of Guam v. Vincent T. Tedtaotao

August 4, 20262026 Guam 8

The Supreme Court of Guam reversed the Superior Court's summary denial of Vincent Tedtaotao's post-conviction motion challenging the mandatory life-without-parole sentence imposed for a 1985 aggravated murder committed when he was nineteen.

GuamPeople of Guam v. Peter Scott VonSchimpf

July 16, 20262026 Guam 6

The court affirmed VonSchimpf’s convictions for attempted fourth-degree criminal sexual conduct and abuse of an incompetent, concluding that the circumstantial evidence permitted a rational jury to find the elements of both offenses.

The court held that Schacher was not required to retain legal counsel or possess a law license to petition for probate and seek appointment as executor. The probate court abused its discretion by treating Schacher's lack of counsel and law license as proof of incompetence and by finding no substantial evidence of…

GuamPeople of Guam v. Louis Anthony Vargas

March 5, 20262026 Guam 1

The court affirmed the denial of Vargas’s motions to dismiss, holding that retrial was not barred because the jury failed to agree after a reasonable period of deliberation and the record supported the mistrial.

GuamPeople of Guam v. Stefan Keanu Camacho

December 30, 20252025 Guam 16

The court held that the standard established in Maryland v. Craig remains good law and applies to an adult witness’s two-way video testimony. Applying that standard de novo, it concluded that the prosecution made the required case-specific showing that Dr.

GuamPeople of Guam v. Derick James Simmons

December 29, 20252025 Guam 13

The court affirmed Simmons’s convictions, holding that the statutory non-corroboration instruction accurately stated Guam law and was not misleading when considered with the instructions as a whole.

GuamKamlesh K. Hemlani v. Manu & Anita…

December 19, 20252025 Guam 12

The court held on de novo review that the Trust Instrument clearly names the Foundation as the Trust’s sole beneficiary, affirming summary judgment on that issue on an alternative ground without deciding whether collateral estoppel applied.

GuamIn Re: Application of the People of Guam

December 31, 20242024 Guam 16

The Supreme Court of Guam held that a grand jury may investigate possible felonies without receiving a proposed indictment at the outset, and that Guam’s statutes did not clearly abrogate the common-law investigative powers adopted into Guam’s grand jury system.

The court held that Guam’s first-offender sentencing statute imposes mandatory sentencing limits, so a first offender convicted of a first-degree felony may not receive a sentence above the statute’s fifteen-year maximum absent a more specific law.

GuamPeople of Guam v. Joiner Anes Soram

December 20, 20242024 Guam 10

The court affirmed Soram’s convictions, holding that the evidence did not provide a rational basis for a third-degree robbery instruction and that admitting the victim’s out-of-court statements was not clear or obvious error under plain-error review.

GuamJohn Ryan v. Edward M. Birn

December 20, 20242024 Guam 11

The court vacated the $1,000 personal fine because the trial court did not make factual findings, supported by substantial evidence, that Birn’s refusal to disclose was unjustified.

GuamPeople of Guam v. Rayland Alfonso Towai

December 19, 20242024 Guam 9

The court held that Towai was in custody when officers encountered him at night, and that his responses to police questioning and his later statement about the lamp were admitted in violation of Miranda; his initial, unsolicited statement was admissible.

GuamDavid Waathdad v. Cyfred, Ltd.

December 5, 20242024 Guam 6

The court held that the Superior Court has inherent equitable authority to stay execution of its own judgments, but may not grant a stay based on a pending action in which the judgment debtor is not a party.

GuamPeople of Guam v. Gilberto Florendo Kusterbeck

September 20, 20242024 Guam 3

The Supreme Court of Guam affirmed Kusterbeck’s convictions for one count of first-degree and two counts of second-degree criminal sexual conduct. It held that the evidence placed each incident reasonably near the period alleged, that inadmissible hearsay testimony did not satisfy plain-error review because…

GuamPeople v. Hosei

December 27, 20232023 Guam 22

The court affirmed Hosei’s third-degree criminal sexual conduct conviction but reversed his first-degree conviction because the jury instruction on aiding and abetting omitted the required specific-intent element, and the omission satisfied all four prongs of plain-error review.

GuamPeople v. Riosen

December 27, 20232023 Guam 23

The Supreme Court of Guam affirmed Riosen’s convictions for three counts of first-degree criminal sexual conduct, concluding that the victim’s testimony, viewed in the light most favorable to the prosecution, allowed a rational jury to find sexual penetration for each count.

GuamPeople v. Mendiola

November 28, 20232023 Guam 12

The court affirmed Mendiola’s manslaughter conviction, holding that his untimely objection to the closure of voir dire was reviewable only for plain error and did not warrant reversal, while the public access restrictions during trial satisfied the governing closure requirements.

The Supreme Court of Guam reversed the probate court’s summary-judgment order, holding that Joaquin’s Guam interlocutory divorce decree restored his capacity to remarry retroactively and that Guam’s restriction on remarriage did not invalidate a marriage contracted in the Philippines.

GuamPeople of Guam v. Joshua Rivera Palacios

June 22, 20232023 Guam 5

The Supreme Court of Guam affirmed Palacios’s murder conviction, concluding that the trial court properly excluded certain alternative-perpetrator evidence under the evidence rule balancing test and that its error in allowing blanket Fifth Amendment invocations was harmless beyond a reasonable doubt.

GuamPeople of Guam v. Jefta Moses

December 29, 20222022 Guam 17

The court affirmed Moses’s convictions, holding that the evidence permitted a rational jury to find mental anguish sufficient to establish personal injury for First Degree Criminal Sexual Conduct.

GuamPeople of Guam v. Muki Joseph Redhart Callahan

December 22, 20222022 Guam 13

The court held that the evidence supported one conviction for each of Charges One through Four, but not multiple convictions for the charged incidents involving K.R.F. at the Yigo house; it vacated the additional convictions and affirmed the remaining convictions.

GuamPeople of Guam v. Jordan Saul Rachulap

December 9, 20222022 Guam 9

The court affirmed all four base convictions and three of the four deadly-weapon special-allegation convictions, holding that the evidence supported the jury’s findings on the charged crimes and weapon use.