# CPD timekeeper arrested for abusing 14-year-old girl

> A Chicago Police Department employee is accused of grooming and sexually assaulting a minor he met on a dating app, plying her with drugs and alcohol over months.
- Title: CPD timekeeper arrested for abusing 14-year-old girl
- Summary: A Chicago Police Department employee is accused of grooming and sexually assaulting a minor he met on a dating app, plying her with drugs and alcohol over…
- Keywords: oswaldo lorenzana de la rosa, chicago police department, sexual abuse, minor, grooming, dating app, albany park, cook county, arrest, criminal charges, news, local
- Source: Chicago Sun-Times — https://chicago.suntimes.com/crime/2026/09/17/chicago-police-sexual-abuse-crime-arrest
- Published: 2026-09-17T23:36:00+00:00
- Read time: 3 min
- Topics: oswaldo lorenzana de la rosa, chicago police department, sexual abuse, minor, grooming, dating app, albany park, cook county, arrest, criminal charges, news, local
## CPD timekeeper charged with abuse
Oswaldo Lorenzana de La Rosa, 30, a timekeeper for Chicago Police Department earning $61,548 annually, was arrested and charged with sexually abusing a 14-year-old girl he met on a dating app.
## He lied about his age online
Lorenzana de La Rosa told the girl he was 23 and went by the name Javier when he contacted her on the teen dating app in February 2026.
## He dismissed her age concerns
When the girl mentioned she was 14, prosecutors say Lorenzana de La Rosa told her he didn't care about her age if she didn't care.
## First assault in March
He picked her up from school in March, drove her to his home in Belmont Cragin, and gave her drugs and alcohol before sexually assaulting her.
## Weekly assaults after school
For weeks, Lorenzana de La Rosa picked her up from school every Thursday and sexually assaulted her, prosecutors said.
## He helped her sneak out at night
When her mother hired a caregiver, Lorenzana de La Rosa began helping the girl sneak out of her home at night, then dropping her off early in the morning.
## Gifts, drugs, and violence
Each time they met, he gave her gifts, alcohol, and marijuana. At one point, he strangled her during an assault, leaving bruises that lasted for days.
## Mother grows suspicious
The girl's mother noticed her daughter would leave home at night and return smelling of alcohol. In July, her grandfather saw Lorenzana de La Rosa drop her off.
## Girl attempts suicide
After her mother received screenshots of messages about the relationship, the girl swallowed her grandmother's antidepressants and muscle relaxers in a suicide attempt.
## He sent flowers while she recovered
While the girl was hospitalized and receiving mental health treatment, Lorenzana de La Rosa anonymously sent her flowers.
## Abuse reported to police
On August 19, the girl's mother went to the Albany Park District police station and reported the alleged abuse after her daughter disclosed the relationship.
## Burner phone in tissue box
After the girl entered an outpatient program, Lorenzana de La Rosa hid a burner phone in a tissue box outside her counselor's office to continue contact.
## Ladder caught on security camera
He brought ladders to help her climb out of her second-story window. Security cameras her mother installed captured him setting up a ladder outside her window.
## Arrested during foot pursuit
Police arrested Lorenzana de La Rosa during a foot pursuit after the mother called them while her daughter messaged him to return.
## Multiple felony charges filed
He was charged with criminal sexual assault, aggravated criminal sexual abuse, traveling to meet a minor, indecent solicitation of a child, and grooming.
## Ordered held without bail
Cook County Circuit Judge D'Anthony Thedford ordered Lorenzana de La Rosa held at Cook County Jail, calling him a danger to the community.

> a danger to the community
## Key takeaway

A CPD timekeeper used deception on a teen dating app to initiate contact with a 14-year-old, then systematically abused her for months while evading detection through escalating manipulation.