DA: Man admits early morning Chinatown stabbing, just not with the knife police found him with

James W. Randolph, 51, with a record that includes a manslaughter conviction, was arraigned in Boston Municipal Court today on charges he stabbed a man around 2:40 a.m. on LaGrange Street, the Suffolk County District Attorney's office reports.

The victim, a 53-year-old Mattapan man, was taken to Mass. General with a stab wound to the chest, but is expected to survive, the DA's office says.

Police caught up with Randolph near the intersection of Beach Street and Harrison Avenue, the DA's office reports:

"The knife I used, I threw it in the sewer," he allegedly said prior to his arrest. Later, after being read his Miranda rights, he allegedly said, "I have a red knife in my pocket but it's not the knife I used."

Police found a Swiss Army Knife in his pocket.

Boston Municipal Court Judge Edward Redd agreed with prosecutors to set bail at $50,000. The DA's office says Randolph's adult record runs five pages and dates to 1984 - including a 1988 manslaughter conviction.

Innocent, etc.