A newlywed husband who was stabbed to death in a hotel room had solicited his  murderer during a Craigslist exchange for gay sex, according to new court records on Thursday. Jamyra Gallmon, 21, has been charged with first-degree murder while armed for allegedly killing David Messerschmitt, 30, on February 9 in Washington, D.C. The woman admitted to police that she set up the lawyer using a masculine-sounding email address and went to the upscale Donovan hotel with the intention of robbing him. Scroll down for video . Jamyra Gallmon, 21, (pictured graduating from her military academy high school) has been charged with first-degree felony murder while armed for allegedly stabbing to death 30-year-old David Messerschmitt on February 9 . David Messerschmitt (pictured with his wife Kim) was found dead in his DC hotel room in February. An affidavit revealed on Thursday that he had been soliciting sex from men through Craigslist . According to Gallmon, who was seen on surveillance camera entering the hotel wearing androgynous clothing including black boots, black pants and a black hooded jacket, the room door was open when she arrived. The affidavit stated that the pair got into a struggle and the defendant pulled a knife from her pants and stabbed the victim repeatedly until he fell to the floor where she stabbed him several more times. The victim was found with multiple stab wounds to the back, groin and abdomen along with one wound which pierced his heart and another which hit his spinal cord. His hands had been bound with zip-ties into a pair of makeshift cuffs. His hands were covered in defensive wounds. Messerschmitt had texted his wife Kim Vuong at 7.45pm on February 9 to tell her he would be home in an hour after leaving his law office. He never returned and the next day he was found dead at his hotel room with 'various credit cards strewn about'. He death was declared a homicide. Among the  items recovered from the room were a computer, lubricant, condoms, cell phone and enema kit, Fox DC reported. Fingerprints were also found in the room. Investigators discovered that Messerschmitt had posted a Craigslist ad on February 9, soliciting responses from other men, using 'dcguy456'. The lawyer began an exchange with an individual, using the name 'chrissanchez0906', around 2pm which continued throughout the day. Messerschmitt told the individual his room number at the hotel and gave a meeting time of 7pm - 7.30pm. The email address that the lawyer had been in contact with was linked to Gallmon. On a search of the woman's DC apartment, police found a knife, black boots and gloves, and a pack of zip ties. A discussion in the comments section of a Queerty.com article about Mr Messerschmitt's murder in February included users referencing interactions with an individual using the handle 'dcguy456'. One commenter said that 'dcguy456' had previously posted on the 'M4M' (men for men) section of Craigslist and identified himself as bisexual. Another individual's post claimed that he had exchanged emails with 'dcguy456'and met up with him several years ago. A woman has been arrested in connection to the murder of 30-year-old Washington, DC lawyer David Messerschmitt. Above, the 'person of interest' who was caught on surveillance video entering the hotel where Messerschmitt was killed on February 9. Police confirmed that this was Gallmon . Jamyra Gallmon attended Forestville Military Academy in Maryland and was an exemplary student, a teacher said on Thursday. According to an affidavit, it is believed that Mr Messerschmitt got her to come to his hotel room believing that he was soliciting a man . Gallmon made an initial appearance on the felony murder charge Superior Court in DC on Thursday. The 21-year-old attended the Forestville Military Academy in Maryland, a coach toldFox 5 on Thursday and had been an exemplary student. She graduated in 2011. Her mother told NBC that her daughter had never been in trouble before and had an ambition to join the military. Coach and teacher, Vincent McDuffie, told the station that she had wanted to play basketball in college but had suffered a knee injury. He said that her supportive family always turned up to watch her high school games. According to the police report, Messerchmitt left his work at law film, DLA Piper, around 5.30pm on February 9 and texted his wife a couple of hours later to say he would back at their Capitol Hill home in an hour. The couple reportedly had not seen each other since February 8, but Vuong didn't think anything seemed wrong with her husband. She reported him missing at midnight, saying it was unlike him to disappear and that usually he got home before her. Messerschmitt was found dead in his room the next day and pronounced dead at the scene. Authorities  have arrested a Washington, DC woman named Jamyra Gallmon for the crime. On the left, another view of the person of interest on CCTV and on the right, Messerschmitt. Police sources told NBC Washington that the woman in the surveillance video is Gallmon . Messerschmitt texted his wife Kim Vuong on February 9 that he would be home in an hour but never showed. It appears he had gone to the Donovan hotel after arranging to have sex with an individual on Craigslist who he believed to be a man . Gallmon's mother said that her 21-year-old daughter (pictured) had never been in trouble before and had an ambition to join the military. She told police she stabbed the lawyer multiple times, according to an affidavit . Last week, Messerchmitt's wife gave an emotional speech, asking for help in finding her husband's killer. 'The world has lost a good person. David's family: a son and brother, and I have lost everything: my husband and my best friend. In one day, I lost the most important person in my life and the man I loved so much. And I have no answers,' she said. A Cincinnati native, Messerchmitt attended Ohio State University where he met his wife. He went on to study law at Boston University before working at a firm in Chicago. He then worked at two more firms in the D.C. area before transferring to DLA Piper last year, as a specialist in intellectual property law. Emotional: Last week, Messerschmitt's wife, Kim Vuong, held a press conference, asking for help in locating her husband's killer . Gallmon told police she had gone to the Donovan hotel (pictured) with the intention of robbing Mr Messerchmitt. He was found stabbed to death in his hotel room on February 10 .
David Messerschmitt, 30, who met his wife in college, had been using Craigslist to solicit men, according to an affidavit on Tuesday .
Jamyra Gallmon, 21, 'contacted victim using a masculine-sounding email address and went to hotel with the intention of robbing him'
The pair got into a struggle on February 9 and she stabbed him repeatedly in the abdomen, back and groin .
The lawyer was found dead at the upscale Washington DC hotel after being reported missing by his wife .
Gallmon made an initial appearance on the murder charge Superior Court in DC on Thursday .