Margaret Sanchez, a woman previously identified in connection with the murder of Jaren Lockhart, was arrested Wednesday morning and is expected to be charged with a count of second-degree murder, a source close to the investigation told the WDSU I-Team.Watch: Margaret Sanchez arrested in Jaren Lockhart murder investigationOfficials with the Kenner Police Department, which recently assumed the lead in the investigation, have confirmed the information. A news conference to discuss the arrest will be held Thursday at 10:30 a.m.The source told WDSU that members of the U.S. Marshals Service picked Sanchez up in Metairie about 7 a.m.Though investigators considered her a suspect early in the probe, Sanchez was arrested only on charges not directly related to the killing of Lockhart, whose remains washed ashore in Mississippi in the summer of 2012.View timeline of events in caseSanchez was credited for time served on a separate misdemeanor charge.She and a man named Terry Speaks were the last people known to have seen Lockhart alive.Lockhart worked at a Bourbon Street club, disappearing in early June 2012 after leaving work with Speaks and Sanchez, according to surveillance video. Her body parts washed ashore on a beach in Mississippi days later.Detectives searched the home of Sanchez and Speaks with the aid of cadaver dogs. Investigators with the FBI and local law enforcement carted off bags of evidence that were taken to FBI headquarters in Virginia for further analysis. Details on what investigators seized from the home have not been released.Speaks is in a federal corrections center for crimes not related to the Lockhart case.Stay with WDSU and WDSU.com for updates on this developing story.Previous stories:Kenner Police Department assumes investigation in killing of Jaren LockhartMississippi investigators meet with FBI in Jaren Lockhart caseExclusive: Mother of slain woman seeks closure, peace of mindMeeting between investigators, DA in Jaren Lockhart case postponedSign up for our email newsletters to get breaking news right in your inbox. Click here to sign up!

Margaret Sanchez, a woman previously identified in connection with the murder of Jaren Lockhart, was arrested Wednesday morning and is expected to be charged with a count of second-degree murder, a source close to the investigation told the WDSU I-Team.

Watch: Margaret Sanchez arrested in Jaren Lockhart murder investigation

Officials with the Kenner Police Department, which recently assumed the lead in the investigation, have confirmed the information. A news conference to discuss the arrest will be held Thursday at 10:30 a.m.

The source told WDSU that members of the U.S. Marshals Service picked Sanchez up in Metairie about 7 a.m.

Though investigators considered her a suspect early in the probe, Sanchez was arrested only on charges not directly related to the killing of Lockhart, whose remains washed ashore in Mississippi in the summer of 2012.

View timeline of events in case

Sanchez was credited for time served on a separate misdemeanor charge.

She and a man named Terry Speaks were the last people known to have seen Lockhart alive.

Lockhart worked at a Bourbon Street club, disappearing in early June 2012 after leaving work with Speaks and Sanchez, according to surveillance video. Her body parts washed ashore on a beach in Mississippi days later.

Detectives searched the home of Sanchez and Speaks with the aid of cadaver dogs. Investigators with the FBI and local law enforcement carted off bags of evidence that were taken to FBI headquarters in Virginia for further analysis. Details on what investigators seized from the home have not been released.

Speaks is in a federal corrections center for crimes not related to the Lockhart case.

Stay with WDSU and WDSU.com for updates on this developing story.

Previous stories:

Kenner Police Department assumes investigation in killing of Jaren Lockhart

Mississippi investigators meet with FBI in Jaren Lockhart case

Exclusive: Mother of slain woman seeks closure, peace of mind

Meeting between investigators, DA in Jaren Lockhart case postponed

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