New Orleans police say they've arrested a 21-year-old man in connection with an attack that hospitalized two Boston-area men.
"It's just a matter of time before we put this case together in its entirety, and we have all of you under arrest", Police Superintendent Michael Harrison said after announcing the surrender of Dejuan Paul, according to The Advocate website.
Video shows a Saturday night attack and mugging of two tourists in the French Quarter of New Orleans, leaving one in crtical condition.
The men were robbed of their cellphones and wallets.
They were in New Orleans for the General Assembly of the Unitarian Universalist Association, the annual meeting of the liberal religious association.
"When located, both Polgowski and Piper will be arrested and charged with second degree robbery", said police in a statement. The New Orleans Police Department is investigating the attacks, which happened within 24 hours of each other. "They simply were victimised", New Orleans police commander Nick Gernon told reporters.
Police Searching for 4 Suspects in Brutal Tourist Robbery in New Orleans' French Quarter
State law defines second-degree robbery as taking "anything of value" from someone and inflicting "serious bodily injury".
UUA spokeswoman Rachel Walden said Curran was treated and released following Saturday's attack.
The other victim was tackled and robbed, but not knocked unconscious.
Chris Meyere works at a hat shop near the location of the attack, and the surveillance camera at his business captured the video of a man being attacked from behind. One man got back up on his feet.