Suspect charged with attempted murder after Planet Fitness stabbing

Davier Massey, 28, arrested for attack on gym employee in Wyncote, Montgomery County

Apr. 3, 2026 at 5:51pm

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An extreme close-up of a sharp knife blade, the harsh lighting and dark background creating a stark, gritty, and investigative aesthetic to conceptually represent the violent incident at the gym.A violent attack at a local gym exposes the need for improved security measures to protect employees and customers.Philadelphia Today

A 28-year-old Philadelphia man has been charged with attempted murder and other offenses after allegedly stabbing a Planet Fitness employee multiple times in the Wyncote section of Cheltenham Township, Pennsylvania. Davier Massey had been banned from the gym the previous day but returned twice on the day of the attack, causing a disturbance before the altercation escalated.

Why it matters

Incidents of violence at gyms and other public spaces raise concerns about safety, security protocols, and the ability of businesses to protect their employees and customers. This case also highlights the challenges gyms face in dealing with disruptive or banned members who refuse to stay away.

The details

According to police, Davier Massey had been banned from the Planet Fitness gym on Wednesday due to an unpaid bill, but he returned to the location twice on Thursday. During his second visit, an altercation with a gym employee escalated and Massey allegedly stabbed the worker multiple times. Massey was apprehended a short distance away from the gym within the same shopping center.

  • The stabbing incident occurred on Thursday afternoon at the Planet Fitness gym in Wyncote.
  • Massey had been banned from the gym the previous day, on Wednesday, over an unpaid bill.

The players

Davier Massey

A 28-year-old resident of Philadelphia who has been charged with attempted murder and other offenses for the stabbing attack at the Planet Fitness gym.

Planet Fitness

The gym chain where the stabbing incident took place in the Wyncote section of Cheltenham Township, Pennsylvania.

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What’s next

Massey is being held without bail, and the investigation into the incident is ongoing.

The takeaway

This case highlights the need for gyms and other public spaces to have robust security measures and protocols in place to protect their employees and customers, especially when dealing with disruptive or banned individuals.