Woman reported neighbor harassment then police say he stabbed her over dripping water

Michael Cain is accused of attacking 22-year-old Esmeralda Romero after an escalating dispute at their apartment complex.

ALBUQUERQUE, N.M. — A judge has ordered Michael Cain to remain in custody while prosecutors pursue a murder case accusing him of killing his upstairs neighbor, 22-year-old Esmeralda Romero, after a dispute that began with complaints about water dripping between apartment patios.

The detention ruling moves the case beyond its initial arrest stage and keeps Cain, 39, jailed as the allegations are litigated. The Bernalillo County District Attorney’s Office said Cain is charged with an open count of murder and tampering with evidence in Romero’s July 20 death at the Albuquerque Encore Apartments. Law&Crime reported that jail records also listed aggravated assault with a deadly weapon, though subsequent public updates from prosecutors have emphasized the murder and evidence-tampering counts. The charges are allegations, and Cain has not been convicted.

For prosecutors, the case is built around a compressed sequence of events that investigators say occurred outside and around the complex’s leasing office. Police allege Cain first complained to an apartment employee that water from Romero’s upstairs patio was falling onto his downstairs patio. The employee told him the matter would be addressed. Investigators say Cain later argued with Romero, went back to the leasing office with another complaint and was again assured that management would handle the problem. He then remained outside.

Romero entered the office after Cain and described the conflict from her perspective, police said. She told the employee that water sometimes came from her dog’s bowl and that Cain had accused her of deliberately pouring it onto his patio. More significantly for the later investigation, Romero reported that Cain had come to her apartment, pounded on her door and confronted or harassed her about the water. The employee said she was attempting to settle the dispute and told Romero to call security or 911 if Cain threatened her.

Investigators say Romero then left the office and was attacked almost immediately. The leasing employee told police she saw Cain run from the parking area toward Romero and stab her repeatedly. According to the witness account, Cain later turned toward the employee while holding the knife, walked past her and fled. That allegation puts an eyewitness at the center of the prosecution’s factual narrative rather than relying solely on evidence collected after the killing. Later family reporting also said police had video showing the attack.

The case includes additional evidence that police say was gathered in the minutes after Romero was killed. Authorities reported that Cain left the immediate scene on foot and discarded a knife along the way. Police later recovered a knife near where officers found him in an alley close to San Jacinto Drive NE. Investigators also said Cain called 911 and made statements about stabbing someone. Cain had cuts on one of his hands, according to police, and received medical treatment before being taken to jail. Prosecutors have not publicly disclosed in the reviewed material how forensic testing may connect any recovered item to the killing.

The detention order means Cain will not be released while the case proceeds through its current stage. Such a ruling is separate from the ultimate question of guilt. Prosecutors still must prove the charged offenses through the judicial process, and the defense can challenge witness accounts, physical evidence, statements and the interpretation of Cain’s actions. Public reporting reviewed for this article does not establish that a trial date has been scheduled, nor does it show that a jury has considered any of the allegations.

The phrase “open count of murder” is important to the procedural status of the case. It reflects a homicide accusation without the public charging description reviewed here specifying a final degree of murder for trial. The precise legal theory prosecutors ultimately pursue can depend on the evidence, later filings and rulings. That makes the detention decision a significant development but not a resolution of the criminal case. Cain remains presumed innocent under the law unless and until prosecutors obtain a conviction.

While the court process now focuses on evidence and legal standards, the underlying confrontation described by police appears to have developed over a relatively ordinary problem of apartment living. Investigators say Cain’s complaint was that water from above was reaching his patio. Romero, in turn, told management that the water sometimes came from a dog’s bowl and denied intentionally pouring it downstairs. She also reported that the dispute had moved beyond the patio after Cain came to her door. Authorities have not publicly identified a separate conflict that would explain the alleged attack.

The apartment employee’s role could become especially important as the prosecution advances. The employee interacted independently with both Cain and Romero shortly before the killing and, according to police, heard their competing accounts before witnessing the attack. Cain was told more than once that management would address his complaint, investigators said. Romero was trying to report Cain’s conduct when she entered the office. Those interactions provide prosecutors with a potential timeline of what each person was doing and saying immediately before the violence.

Romero’s relatives have since supplied another part of the timeline. Her mother, Maria Rodriguez, said Romero called her that day about an encounter involving her downstairs neighbor and the water dispute. Rodriguez told later local reporting that she received word of her daughter’s death roughly 45 minutes after their final conversation. That family account does not replace the police evidence, but it places Romero’s concern about the confrontation close in time to the attack described by investigators.

Romero had turned 22 less than a month before her death and was planning to pursue a future in the Air Force, according to her family. Her boyfriend, Jonah Bejarano, described her as someone guided by love and faith. Rodriguez said her daughter was also her best friend. Those details emerged weeks after the initial crime reports, providing a fuller picture of Romero as prosecutors prepared to keep the accused man detained and continue the case against him.

The public record currently presents two separate questions that should not be conflated. One is what investigators believe happened on July 20: a neighbor dispute, complaints to management, an alleged attack, a flight from the scene, a 911 call and an arrest. The other is what prosecutors can prove in court under the criminal charges they have filed. The judge’s custody ruling addresses Cain’s status while that second question remains unresolved.

Cain remains in custody under the court’s order. Prosecutors continue to identify the case as an open-count murder prosecution with a tampering allegation, and homicide investigators have continued to treat Romero’s death as a criminal killing. No final adjudication has been announced, and any additional charges, court dates or evidentiary findings will depend on later filings and proceedings.

Author note: Last updated August 28, 2026.