Tyler Tessier, [left], killed his pregnant girlfriend Laura Wallen, [right], in Damascus, Maryland, then dumped her body in a shallow grave on September 2. 

The supposedly grieving fiancé of a murdered pregnant woman was engaged to yet another woman who his slain partner texted to meet-up with before she died, Maryland authorities said.
Police say Tyler Tessier, 32, killed Laura Wallen, 31, in Damascus which is at the outskirts of Montgomery County, Maryland on September 2. He then dumped her body in a shallow grave.
The body of the Howard county high school teacher was found on Wednesday in a field from which she earlier sent a photograph to her sister, with the message: ‘Tyler has me on an adventure in the country. Not sure why but it’s for something. Waiting in a field.’
Wallen, who was reported missing after she did not show up for the first day of class, was four months pregnant with Tessier’s baby.
The Wallen family have just revealed that their daughter’s boyfriend asked her father for her hand in marriage despite being already engaged to another woman,  Kristina Wagoner.

On Thursday, her family they said they suspected him all along but that they were forced to take part in an emotional press conference with him because they had no proof.
Detailing the chronology of events before Laura Wallen vanished Montgomery police said that Laura texted the other woman Kristine Wagoner on August 28, asking to meet up for a ‘ clear-the air’ session, she wanted ‘an explanation’ and that both women knew of each other but neither thought Tessier was seeing them both at the same time.
‘It’s important that some things are cleared up and I would imagine that if you were in my position, you’d want some answers as well.
‘By no means is this an attempt at confrontation, just looking for an explanation, woman to woman’ the text message read. Authorities have not revealed if the pair ever did meet up.
However, he family last saw her on September 1. Surveillance cameras showed Wallen and Tessier a day later buying food at Safeway grocery store.
She later sent text messages to her family saying she is ‘on adventure’ with her boyfriend and that he has her ‘waiting in a field’.
Two days later her family had sot seen her but her sister received text messages from her phone on September 4, saying Tessier is not the baby’s father. At that point her sister filed a missing person’s report.

Laura pregnant with Tessier’s child wanted ‘an explanation’ at a meeting she requested with her boyfriend;s fiancee. Both women knew of each other but neither thought Tessier was seeing them both at the same time.

The strange messages from her phone which claimed Tessier was not the baby’s father, said another man, called ‘Antwan’, was.
‘I am like 95 per cent sure Tyler is not the father,’ one read. Another said: ‘I’m probably going to lose my job over this.
‘If he tries to call you, please tell him he’s a great guy because I know I really hurt his feelings,’ they read.
Another said she would ‘try to get a hold of Antwane’.
Police have determined that Tessier wrote those messages to try to shift suspicion from himself onto one of Wallen’s ex-boyfriends, Antoine Broadnax, who she hadn’t seen for years.
Police invited Tessier for questioning on September 5 when Wallen failed to show up for class at Wilde Lake High School in Howard County.

Police say Tessier has given them conflicting statements about the last time he saw her alive.

Tyler Tessier asked for Laura’s hand in marriage while engaged to another woman

First, he claimed they had an argument at her home on September 4 which ended in her ‘hysterically crying’.
He later claimed to have arranged to meet up with her at a mall near the apartment complex where her car was found but says she never showed up.
He told police she had asked him to give her a ‘day’ to ‘sort things out’ and tell Antoine that he was the father.
A friend later told police he’d asked them to help him retrieve a car from Baltimore but that it had to be done late at night.
When they questioned him about it, he said: ‘Just trying to clean up a mess,’ according to charging documents.

Mike Wallen’s [left], seen with his wife and other children described Tessier as a ‘monster’ and a ‘liar’

At a press conference on Thursday, Wallen’s father described him as a ‘monster’ and a ‘liar’ and said the family had their suspicions about him but were forced to take part in a joint press conference with him because her body had not yet been found.
‘He is a monster and he is a liar and it was absolutely the hardest thing that my wife could do, would be to sit there next to him and hold his hand and she had to hold his hand with two hands because she was shaking so badly.
‘We were pretty sure it was Tyler but we didn’t know where she was and you can’t put somebody away on a missing person.
‘Someone doesn’t go to prison for life on a missing person and it defies description the awfulness and the horror that we have been put through during this,’ Mark Wallen said.
Tessier has been charged with first degree murder and is being held without bond.
He is also charged with obstruction of justice, tampering with evidence and making false statements.