Steven Avery's lawyer says new evidence gives the 'Making a Murderer' convict an 'airtight alibi'

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'Making a Murderer' Inspires Petitions to Free Steven Avery

The new lawyer for Steven Avery, well-known wrongful-conviction expert Kathleen Zellner, has not been shy about sharing her thoughts on his case.

Zellner, who's looking into the best ways to appeal Avery's conviction for the murder of Teresa Halbach, has gone on Twitter to provide commentary and notes about evidence-gathering.

Now Zellner claims to have found an "airtight alibi" for her client, the central subject of Netflix's hugely popular "Making a Murderer." Cellphone-tower records show, according to her, that Halbach, an Auto Trader magazine photographer last seen at Avery's property, did in fact leave the premises, while Avery stayed there.

Cellphone records in the original trial were used to show Avery's calls to Halbach, but Zellner is suggesting she has new tower location data that could potentially bolster Avery's alibi.

Of course, it's always possible that Avery did leave the property with Halbach but kept his phone at home. Still, the tower evidence would make the state's story that he murdered Halbach at home in 2005 even muddier than it already is.

Internet sleuths have been trying to piece together what exactly happened to Teresa Halbach on that day. Now we'll have to wait for Avery's lawyer to present her own theory in court.

NOW WATCH: Steven Avery's defense attorney admits doubts about his innocence

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Steven Avery's trial from "Making a Murderer"
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Steven Avery's lawyer says new evidence gives the 'Making a Murderer' convict an 'airtight alibi'
Steven Avery looks around a courtroom in the Calumet County Courthouse before the verdict was read in his trial, March 18, 2007, in Chilton, Wis. Avery was found guilty of first-degree intentional homicide in the murder of photographer Teresa Halbach. Avery, who spent 18 years in prison for a rape he didn't commit only to be convicted of committing a murder 3½ years after he left prison, said Tuesday, April 17, 2007, he is confident he will again be exonerated. (AP Photo/Jeffrey Phelps, Pool, File)
This March 2007 file photo shows Calumet County District Attorney Kenneth Kratz giving his closing argument in the Steven Avery trial in the courtroom in Chilton, Wis. Police say Kratz sent repeated text messages trying to spark an affair with a domestic abuse victim while he was prosecuting her ex-boyfriend. (AP Photo/Morry Gash, File)
Karen Halbach, mother of Teresa Halbach, listens Tuesday, April 24, 2007, to testimony in the Brendan Dassey trial in Manitowoc, Wis. Dassey, 17, is charged with first-degree intentional homicide, mutilating a corpse and first-degree sexual assault in the death of 25-year-old Teresa Halbach on Oct. 31, 2005. His uncle, Steven Avery, 44, was convicted last month in Halbach's murder and is to be sentenced to mandatory life in prison in June. (AP Photo/Bruce Halmo, Pool)
Karen Halbach talks to the jury about her slain daughter, Teresa Halbach, during the trial of Brendan Dassey, Monday, April 16, 2007, at the Manitowoc County Courthouse in Manitowoc, Wis. Dassey, 17, is charged with first-degree intentional homicide, mutilating a corpse and first-degree sexual assault in the death of 25-year-old Teresa Halbach on Oct. 31, 2005. His uncle, Steven Avery, 44, was found guilty of her murder last month. (AP Photo/Dan Powers, Pool)
Tom Halbach, father of Teresa Halbach waits in the courtroom for the verdict in the Steven Avery Trial Calumet County Courthouse Sunday, March 18, 2007, in Chilton, Wis. Avery was found guilty of first degree intentional homicide in the murder of photographer Teresa Halbach, 25, on Oct. 31, 2005 near the family's auto salvage lot in rural Manitowoc County. (AP Photo/Patrick Ferron, Pool)
Sgt. Mark Wiegert with the Calumet Sheriff Department, testifies during Steven Avery's trial on Wednesday, March 7, 2007, at the Calumet County Courthouse in Chilton, Wis. Avery, 44, and his 17-year-old nephew are accused of murdering 25-year-old photographer Teresa Halbach and burning her body on Halloween 2005. The nephew, Brendan Dassey, is scheduled for trial in April. (AP Photo/Evan Siegle, Pool)
Steven Avery's attorney Dean Strang points to a photo showing a CD case that contained blood stains in Teresa Halbach's vehicle while questioning Nick Stahlke, a blood spatter expert with the Wisconsin Crime Laboratory during testimony in Avery's murder trial Tuesday, Feb. 27, 2007, in Chilton, Wis. Avery is accused of killing Teresa Halbach, 25, after she went to the family's rural salvage lot to photograph a minivan they had for sale. (AP Photo/Bruce Halmo, Pool)
Blaine Dassey, Steven Avery's nephew and the brother of Brendan Dassey testifies Tuesday, Feb. 27, 2007, during Avery's murder trial in Chilton, Wis. Avery is accused of killing Teresa Halbach, 25, after she went to the family's rural salvage lot to photograph a minivan they had for sale. (AP Photo/Bruce Halmo, Pool)
Manitowoc County Circuit Judge Patrick Willis listens to Steven Avery's attorney Dean Strang argue a point during Avery's murder trial Tuesday, Feb. 27, 2007, in Chilton, Wis. Avery is accused, along with his 17-year-old nephew, of killing Teresa Halbach, 25, after she went to the family's rural salvage lot to photograph a minivan they had for sale. (AP Photo/Bruce Halmo, Pool)
Marc LeBeau, unit chief of the FBI's chemistry unit, testifies in the Steven Avery homicide trial Monday, March 5, 2007, at the Calumet County Courthouse in Chilton, Wis. Avery is accused, along with his 17-year-old nephew, of killing Teresa Halbach, 25, after she went to the family's rural salvage lot to photograph a minivan they had for sale. (AP Photo/Mike De Sisti, Pool)
Steven Avery, left, exits the courtroom after closing arguments in his trial, Thursday, March 15, 2007 at the Calumet County Courthouse in Chilton, Wis. Avery is accused, along with his 17-year-old nephew, of killing Teresa Halbach, 25, after she went to the family's rural salvage lot to photograph a minivan they had for sale. (AP Photo/Dwight Nale, Pool)
Calumet County District Attorney Ken Kratz answers a question after the murder trial of Steven Avery Sunday, March 18, 2007, in Chilton, Wis. Avery was found guilty of first degree intentional homicide in the murder of photographer Teresa Halbach, 25, on Oct. 31, 2005 near the family's auto salvage lot in rural Manitowoc County. (AP Photo/Jeff Phelps, Pool)
The hands of Tom Halbach, father of Teresa Halbach, are shown as he waits for the verdict in the Steven Avery murder trial in the Calumet County Courthouse Sunday, March 18, 2007, in Chilton, Wis. Avery was found guilty of first degree intentional homicide in the murder of photographer Teresa Halbach, 25, on Oct. 31, 2005 near the family's auto salvage lot in rural Manitowoc County. (AP Photo/Patrick Ferron, Pool)
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