Cops say woman stabbed friend with scissors after he blocked her from drinking beer during Miami Uber ride

A judge kept Lynn Marie Zamora in custody after learning she was already on probation when the new felony allegation arose.

MIAMI, Fla. — A Miami woman accused of stabbing a friend with scissors during an Uber ride faced more than a new aggravated-battery charge when she appeared before a judge: prosecutors said Lynn Marie Zamora, 32, was already on probation in a separate battery case, adding another issue for the court as it considered bond and custody.

The initial hearing shifted attention from the unusual origin of the dispute to Zamora’s legal status. A judge found probable cause in the new case and set bond at $7,500, according to WSVN. Prosecutors pointed to her prior record and existing probation while arguing that she should remain under strict custody conditions. Her defense attorney, meanwhile, asked that Zamora be permitted to receive hospital treatment. The published reports reviewed for this article do not identify a diagnosis or explain the medical basis for that request. The judge did not release Zamora from custody at that stage.

Prosecutors told the court that Zamora was on probation after a conviction involving battery on a person age 65 or older. Reports of the hearing also described other prior assault- and battery-related convictions and a conviction for tampering with an electronic monitor. NBC 6 South Florida reported that the prosecutor argued Zamora presented a flight risk and cited her record while seeking monetary bond. Those previous cases are legally separate from the accusation arising from the Uber ride. They cannot establish guilt in the new case, but they were relevant to the immediate question of how the court would handle someone who was already subject to supervision when she was arrested again.

The new charge stems from a July 13 rideshare trip in southwest Miami-Dade County. According to an arrest report cited by local news outlets, Zamora and a male friend had been together at a hotel and requested an Uber to travel to another friend’s home. Investigators say Zamora wanted to drink a beer while riding in the vehicle. The man told authorities that he informed her several times that she was not allowed to drink in the car. Police say Zamora became irritated as the disagreement continued. There is no indication in the available reports that the dispute had begun before the ride or involved another subject.

The friend told investigators that Zamora then reached into her purse, removed a pair of scissors and stabbed him twice. Reports based on the arrest document place the wounds on his left bicep and left calf. The Uber driver stopped the trip after the confrontation, and the occupants got out before law enforcement responded. Deputies went to the area of Southwest 137th Avenue and Southwest 74th Street, where they spoke with the injured man and driver. The driver gave investigators an account supporting the central allegation that an argument occurred inside the vehicle before the man was wounded.

The man was taken to an emergency room and treated with medical staples. His wounds were described as non-life-threatening. Authorities have not publicly identified him in the reports reviewed here, and no later medical update was located. Police took Zamora into custody. Law&Crime reported that she did not provide a statement to investigators and was transported to the Hammocks police station before being booked into the county correctional system. The absence of a reported statement from Zamora means the early public account of the ride largely comes from the injured man, the driver, the arrest report and the evidence authorities said they gathered at the time.

Prosecutors charged Zamora with aggravated battery with a deadly weapon. Florida’s aggravated-battery statute provides, among other circumstances, that a person commits aggravated battery when a deadly weapon is used in the commission of a battery. The offense is a second-degree felony under state law. The charge does not itself establish that Zamora committed the acts alleged by police. A probable-cause finding also is not a determination of guilt; it allows the criminal case to proceed based on the preliminary showing presented to the court.

The beer dispute at the center of the police narrative also involved a rule that applied independently of any disagreement between Zamora and her friend. Uber’s published community guidelines say riders may not have open containers of alcohol while using the platform. Florida law likewise states that a passenger in an operating vehicle may not possess an open alcoholic container or consume alcohol. The statute defines an open container as one immediately capable of being consumed from or one with a broken seal. Published descriptions of the arrest report say Zamora wanted to drink the beer, but they do not establish that she actually opened it before the alleged assault.

Uber took action after the allegations became public. The company told NBC 6 that it had banned the rider from its platform and was prepared to assist law enforcement. Its response came as the driver’s role emerged as a significant part of the police account. Unlike cases that turn almost entirely on competing statements from two people, investigators had a third person in the vehicle who could describe the argument and its immediate aftermath. The reports do not suggest that the driver was suspected of participating in the dispute, and no injury to the driver was reported.

The defense request for hospital care became one of the notable issues at Zamora’s first court proceeding because it competed with the unresolved probation matter and the new charge. Published accounts indicate that the judge concluded Zamora would remain in jail while those legal questions moved forward. No reliable public source reviewed for this article provides enough information to characterize the requested medical treatment, and it would be speculative to infer why it was sought. The hearing therefore left two distinct matters unresolved: the merits of the aggravated-battery accusation and the effect the new arrest could have on the separate case in which Zamora was already serving probation.

Early reporting scheduled Zamora’s next appearance for Aug. 12. That date has passed, but searches of publicly indexed material did not produce a reliable report establishing what occurred at that hearing, whether the bond or custody decision changed, whether prosecutors amended the charge or whether a plea has been entered. The latest verified public information located for this article remains the initial arrest and bond-stage reporting. Zamora is presumed innocent of the new allegation unless and until guilt is established in court.

The case thus stands at the intersection of two separate legal tracks. One concerns what investigators say happened inside an Uber after a passenger was told not to drink a beer. The other concerns Zamora’s pre-existing probation and how a new felony arrest may be handled by the courts overseeing her earlier case. The first accounts established a $7,500 bond and a probable-cause finding, but they did not settle either track. Until updated court information becomes publicly verifiable, the disposition of the July aggravated-battery charge remains unresolved.

Author note: Last updated Aug. 22, 2026.