Sheriff: Grandmother was murdered by daughter's boyfriend on her 93rd birthday

The Orange County Sheriff's Office says a grandmother was murdered by her daughter's boyfriend on her 93rd birthday.

"This is a tragic and heinous case," Orange County Sheriff John Mina said on Thursday.

The woman has been identified as Dolores Padilla-Marrero. Javier Rosado Martinez, 54, has been charged with first-degree murder. 

According to the arrest affidavit, on March 13, Martinez showed up at to the living facility where Dolores lived and a neighbor let him in the facility. The neighbor reportedly heard her talking to someone at some point in the night saying there were ‘fresh towels’ in the bathroom, a new report states. 

RELATED: Man accused of killing 93-year-old woman was her daughter's boyfriend: report

The next day, Dolores' son-in-law and daughter called Dolores to ask her a question about clothing and couldn't reach her. Concerned for her well-being, they went to her home and found Dolores laying face up on the bed, naked, with her torso covered by a blanket and her face covered with a pillow. 

A medical examiner determined that Dolores died from strangulation and blunt force trauma to the chest. 

Sunday was her 93rd birthday. 

DOWNLOAD: FOX 35 NEWS APP | FOX 35 STORM TEAM WEATHER APP

SUBSCRIBE: FOX 35 NEWSLETTER | FOX 35 Orlando on YouTube 

FOLLOW: Facebook | Instagram | Twitter  

"Unfortunately late that evening she was brutally murdered by someone she knew. Someone she had gone out of her way to help. And that person was 54-year-old Javier Rosado Martinez."

Detectives say during their investigation they found a necklace that Martinez reportedly always wore wrapped in a shirt next to Dolores' body. 

MORE NEWS: 'Orbeez Challenge': Video shows Florida Amazon driver, mother and child being shot at

Dolores' family says she was a devout Catholic who was kind and always willing to help others. She leaves behind 1 son, 3 daughters, 11 grandchildren and 21 great-grandchildren.

Mina wants to remind senior citizens to remain vigilant and that "not everyone is a good person."

Click here for the latest Central Florida news, Florida stories, and local headlines. 

Orange CountyNewsCrime and Public Safety