Ross Reisner, LI horseman, fatally shot

Brett Knight on his way to his 2013 arraignment in Central Islip. He admitted planning and carrying out an attack at the home of his former friends, Ross Reisner and Kevin Murray, firing 11 shots into their house on Sept. 24, 2013.

Kevin Murray, right, with an unidentified woman, at Suffolk County Court in Riverhead on Tuesday, Feb. 10, 2015. Murray was in court for the sentencing of Brett Knight who pleaded guilty to second-degree murder and other charges in the 2013 shooting death of Murray's partner Ross Reisner.

Kevin Murray, Ross Reisner's partner, listens as Suffolk County District Attorney Thomas Spota talks about the indictment charges against Brett Knight in the murder of Reisner, during a news conference at the Riverhead Criminal Courthouse on Oct. 23, 2013.

Ross Reisner, 50, a fixture in the Island's equestrian community, was in his home on Sept. 24, 2013, with his domestic partner when several shots were fired from outside, striking Reisner once in the chest. Another bullet grazed the arm of his partner, Kevin Murray.

Slain horse trainer Ross Reisner in a photo provided by his student Alexandra Maracic of Syosset.

Prosecutors say Brett Knight, the ex-tenant of Ross Reisner who was fatally shot in his Setauket home last month, confessed to firing the fatal shots, but his attorney says he’s innocent. Videojournalist: Jim Staubitser (Oct. 11, 2013)

Suffolk District Attorney's office display photos regarding the Ross Reisner shooting case at a news conference in Riverhead on Oct. 23, 2013.

Mourners outside Sinai Memorials where a memorial service was held for shooting victim Ross Reisner in Fresh Meadows, Queens, on Sept. 29, 2013.

Mourners outside Sinai Memorials, where a memorial service was held for shooting victim Ross Reisner in Fresh Meadows, Queens on Sept. 29, 2013.

Investigators at 62 Upper Sheep Pasture Road in Setauket, N.Y., where homeowner Ross Reisner, 50, was shot and his domestic partner slightly wounded. (Sept. 25, 2013)

Investigators at 62 Upper Sheep Pasture Road in Setauket, N.Y., where homeowner Ross Reisner, 50, was shot and his domestic partner slightly wounded. (Sept. 25, 2013)

Investigators at the Setauket house where homeowner Ross Reisner was shot through a window and killed at night. (Sept. 25, 2013)

An investigator removed evidence from the Upper Sheep Pasture Road home in Setauket, where Ross Reisner was shot. (Sept. 25, 2013)

Evidence removed from the scene of a fatal shooting at 62 Upper Sheep Pasture Road in Setauket. (Sept. 25, 2013)

Neighbors said they heard several shots about 8:45 p.m., but did not see anything, when horse trainer Ross Reisner was shot. (Sept. 25, 2013)

Investigators at 62 Upper Sheep Pasture Road in Setauket, N.Y., where homeowner Ross Reisner, 50, was shot. (Sept. 25, 2013)

Suffolk County police outside of a home on Upper Sheep Pasture Road in Setauket, where homeowner Ross Reisner, 50, was shot. (Sept. 25, 2013)