Text messages show unraveling marriage before Teresa Sievers’ murder

FORT MYERS, Fla. – The final text message conversation between accused murderer Mark Sievers and wife Teresa Sievers was June 28, 2015, the day detectives say Mark Sievers had his wife killed.

Nearly 1,000 pages of documents released by the state attorney’s office Tuesday show the couple’s relationship became very rocky before their final text message exchange, which started with a morning text from Mark Sievers to Teresa Sievers.

6/28/2015 8:19 AM
Mark to Teresa: Good morning Baby! I love you 😊

The text message was sent minutes after Mark Siever’s mother, Bonnie Sievers reactivated the alarm at the couple’s Bonita Springs home. Detective said the alarm was first deactivated at 6:09 a.m.

The next message was sent from Teresa Sievers.

6/28/2015 3:42 PM
Teresa to Mark: call me when ur on highway and know where u going

Teresa, Mark and the two Sievers girls were in Connecticut wrapping up a family reunion with Teresa Siever’s relatives. Teresa Sievers would leave for the airport that evening and Mark Sievers and their children would arrive to in Bonita Springs the next day.

Meanwhile, Mark Sievers had contacted his mother, directing her to leave the alarm at his home deactivated as his wife was to arrive later that evening. Bonnie Sievers returned to the Bonita Springs residence at 4:13 p.m. and left without turning the alarm system back on.

An hour later, text messages show Teresa Sievers had arrived to the airport and was speaking with her husband. She asked him whether he meant to video-call her.

6/28/2015 5:34 PM
Teresa to Mark: I am not face timing in airport
i assume was by mistake as we just hung up

Mark Sievers responded simply.

6/28/2015 5:36 PM
Mark to Teresa: yes

That “yes” was the last text message exchanged between the husband and wife.

The next day, Teresa Sievers was discovered in her home brutally bludgeoned to death.

Relationship on the rocks

Text messages show the Sievers relationship was becoming increasingly tense in the years leading up to Teresa Sievers’ killing. The couple shared thousands of text messages about their erotic encounters and sexual fantasies. Mark Sievers began to keep a detailed calendar, noting when and what happened when he and wife Teresa Sievers had intercourse.

However, growing tension in their relationship became very apparent in 2013 when Teresa suggested inviting other sexual partners into the relationship.

By January 2015, their demeanor through text messages had taken a complete turn: it seemed as though the married couple was becoming annoyed with each other.

4/8/2015
Teresa to Mark: I didn’t respond to your text because I didn’t want to come home finish work. But no you had to text and call me and you’re wasting my time.

Mark Sievers claimed that Teresa Sievers fantasized about a man named Wayne. (Mark Sievers’ good friend is Curtis Wayne Wright, who pled guilty to second-degree murder and will testify against Mark Sievers in court). His frustration with his wife escalated via text message a month before she was murdered.

5/14/2015
Mark to Teresa: you have to see how rediculous (sic) this is as you are apparently texting other people but getting annoyed with me…Time management?

Teresa Sievers responded to her husband curtly.

5/14/2015
Teresa to Mark: You are pissing me off

Mark Sievers was arrested at the Sievers’ home Feb. 26. He was formally charged with second-degree murder in the death of Teresa Sievers in March.