Shuang Chen; and Jianfei Ye v. City & County of Honolulu; Honolulu Police Department; Lorraine Iwamasa, in her individual and official capacities; and Unnamed Male Detective

CourtDistrict Court, D. Hawaii
DecidedJune 16, 2026
Docket1:26-cv-00054
StatusUnknown

This text of Shuang Chen; and Jianfei Ye v. City & County of Honolulu; Honolulu Police Department; Lorraine Iwamasa, in her individual and official capacities; and Unnamed Male Detective (Shuang Chen; and Jianfei Ye v. City & County of Honolulu; Honolulu Police Department; Lorraine Iwamasa, in her individual and official capacities; and Unnamed Male Detective) is published on Counsel Stack Legal Research, covering District Court, D. Hawaii primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

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Shuang Chen; and Jianfei Ye v. City & County of Honolulu; Honolulu Police Department; Lorraine Iwamasa, in her individual and official capacities; and Unnamed Male Detective, (D. Haw. 2026).

Opinion

IN THE UNITED STATES DISTRICT COURT

FOR THE DISTRICT OF HAWAII

SHUANG CHEN; and JIANFEI YE, CIV. NO. 26-00054 JMS-WRP

Plaintiffs, ORDER GRANTING DEFENDANT’S MOTION TO v. DISMISS, ECF NO. 20, WITH LEAVE TO AMEND CITY & COUNTY OF HONOLULU;

HONOLULU POLICE DEPARTMENT;

LORRAINE IWAMASA, in her individual and official capacities; and UNNAMED MALE DETECTIVE,

Defendants.

ORDER GRANTING DEFENDANT’S MOTION TO DISMISS, ECF NO. 20, WITH LEAVE TO AMEND

I. INTRODUCTION This case arises out of an investigation into an alleged sexual assault of Plaintiff Shuang Chen (“Chen”) by a United States Navy (“Navy”) servicemember. Chen and her husband, Plaintiff Jianfei Ye (“Ye”) (collectively, “Plaintiffs”), allege that Defendant Lorraine Iwamasa (“Iwamasa”)—a detective employed by Defendant Honolulu Police Department (“HPD”)—intentionally scuttled the investigation by leaking evidence to the alleged assailant, improperly transferring jurisdiction over the case to the Navy, and falsifying case data to cover her tracks. Plaintiffs further allege that this mishandling of the case allowed the alleged assailant to evade prosecution, resulting in psychological harm to Chen. In the wake of these alleged events, Plaintiffs, proceeding pro se, sued

Iwamasa, HPD, the City and County of Honolulu,1 and an “Unnamed Male Detective” (collectively, Defendants), asserting federal claims under 42 U.S.C. § 1983 and state-law claims for negligence, evidence tampering, and obstruction.

HPD filed a motion seeking dismissal of all claims against it. For the reasons that follow, the motion is GRANTED, and the claims are DISMISSED with PARTIAL LEAVE TO AMEND. II. BACKGROUND

A. Factual Background2 On April 2, 2024, Chen was sexually assaulted by a Navy servicemember in his condominium in Mililani, Hawaii. ECF No. 1 at PageID.2. Chen reported the assault to HPD on May 10, 2024, and provided “detailed hand-

drawn evidence of the furniture and layout” of the condominium and a description of certain distinctive physical characteristics of the assailant. Id. Iwamasa “was

1 HPD and the City and County of Honolulu are a single legal entity for purposes of this suit. See Fisher v. Kealoha, 869 F. Supp. 2d 1203, 1214 (D. Haw. 2012) (collecting cases).

2 This factual background is drawn from the allegations contained in the complaint, ECF No. 1, which are taken as true at this motion-to-dismiss stage. See, e.g., Epstein v. Wash. Energy Co., 83 F.3d 1136, 1140 (9th Cir. 1996). assigned as the investigating officer” and interviewed Chen on May 21, 2024. Id. An “unauthorized male detective” was also present during the interview. Id. The alleged assailant was questioned on June 6, 2024. Id. Shortly

thereafter, he “was seen replacing items” in his condominium “that directly matched the hand-drawn evidence, suggesting prior access to confidential material.” Id. After Chen “reported concerns regarding evidence leakage and

crime scene tampering,” Iwamasa “entered and modified case status records within the HPD system,” including entering a case closure date of June 10, 2024. Id. Iwamasa also “represented” that the case was being sent to the Office of the Prosecuting Attorney “for prosecutorial review.” Id. The Office of the

Prosecuting Attorney, however, “never received the case.” Id. HPD transferred jurisdiction over the case to the Navy on July 9, 2024. Id. HPD “failed to halt, review, or correct” the transfer despite maintaining

“policies and practices governing the supervision and jurisdictional transfer of serious felony investigations, including civilian sexual assault cases.” Id. at PageID.4. After the transfer, the Navy did not notify Chen of its investigation or

seek her participation, and ultimately “closed the investigation on July 18, 2024, less than ten days after assuming jurisdiction.” Id. at PageID.2–3. “As a result of the rapid closure,” the alleged assailant “was neither detained nor charged, and Plaintiffs were deprived of any meaningful opportunity to seek accountability through the civilian criminal justice system.” Id. And as “a result of Defendants’ acts and omissions,” Chen “suffered severe and documented psychological injury,

trauma, and ongoing impairment to her sense of personal safety.” Id. at PageID.3. Plaintiffs “escalated” their “concerns regarding the handling and transfer of the investigation” to “supervisory personnel and other City officials.”

Id. at PageID.3. On September 12, 2024, HPD’s Professional Standards Office “admitted in writing” that part of Plaintiffs’ complaint had been sustained. Id. B. Procedural Background Plaintiffs filed their complaint on February 4, 2026. ECF No. 1. On

April 9, 2026, HPD filed a motion to dismiss for failure to state a claim. ECF No. 20. Plaintiffs filed an opposition on May 4, 2026, ECF No. 29,3 and on May 18, 2026, HPD filed a reply, ECF No. 33. The court decides the motion without a hearing pursuant to Local Rule 7.1(c).

III. STANDARDS OF REVIEW A complaint must contain “a short and plain statement” of each claim “showing that the pleader is entitled to relief.” Fed. R. Civ. P. 8(a)(2). To

determine whether this requirement is satisfied, the court must set conclusory factual allegations aside, accept non-conclusory factual allegations as true, and

3 The court granted Plaintiffs leave to file an amended opposition, ECF No. 29, which superseded their original opposition, ECF No. 22. See ECF No. 27 (order granting leave). decide whether these allegations state a plausible claim for relief. Ashcroft v. Iqbal, 556 U.S. 662, 677–80 (2009) (citing Bell Atl. Corp. v. Twombly, 550 U.S. 544, 570 (2007)). The complaint “may not simply recite the elements of a cause of

action,” and instead “must contain sufficient allegations of underlying facts to give fair notice and to enable the opposing party to defend itself effectively.” Starr v. Baca, 652 F.3d 1202, 1216 (9th Cir. 2011); see also Iqbal, 556 U.S. at 678 (stating

that Rule 8 does not require detailed factual allegations, but “demands more than an unadorned, the-defendant-unlawfully-harmed me accusation”). The court generally will not look beyond the four corners of the complaint to decide whether it states a plausible claim. Marder v. Lopez, 450 F.3d 445, 448 (9th Cir. 2006).

Pro se filings must be liberally construed, Eldridge v. Block, 832 F.2d 1132, 1137 (9th Cir. 1987), but “nonetheless must meet some minimum threshold in providing a defendant with notice of what it is that it allegedly did wrong,”

Brazil v. U.S. Dep’t of Navy, 66 F.3d 193, 199 (9th Cir. 1995). Leave to amend should be freely given “when justice so requires,” Fed. R. Civ. P. 15(a)(2), and should be denied only where “the pleading could not possibly be cured by the allegation of other facts,” Schmitt v. Kaiser Found. Health

Plan of Wash., 965 F.3d 945, 960 (9th Cir. 2020) (quoting Lopez v. Smith, 203 F.3d 1122, 1127 (9th Cir. 2000) (en banc)). In other words, leave to amend may be denied when amendment would be futile. See Carolina Cas. Ins. Co. v.

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Shuang Chen; and Jianfei Ye v. City & County of Honolulu; Honolulu Police Department; Lorraine Iwamasa, in her individual and official capacities; and Unnamed Male Detective, Counsel Stack Legal Research, https://law.counselstack.com/opinion/shuang-chen-and-jianfei-ye-v-city-county-of-honolulu-honolulu-police-hid-2026.