BRUNSWICK , Georgia ( CNN ) -- Guy Heinze Jr. , the son of one of the victims of last week 's killings of eight people in a southeast Georgia mobile home , has been arrested on eight counts of first degree murder , police said Friday . Guy Heinze Jr. faces eight first degree murder charges related to a shooting at a Georgia mobile home . Investigators obtained an arrest warrant Friday evening for Heinze , 22 , just hours after he had been freed from jail on charges of tampering with evidence and making false statements to a police officer , Glynn County , Georgia , Police Chief Matt Doering said . `` I can assure you that this person is responsible , '' Doering said at a news conference Friday evening . The bodies were discovered last Saturday at New Hope Plantation mobile home park , north of the Atlantic coastal city of Brunswick . Seven died in the mobile home , and the eighth died Sunday at a hospital . Doering refused to reveal how the victims were killed or the suspected motive . A 3-year-old who was injured struggles on life support at a Savannah hospital , her grandmother said . Heinze , who is unemployed , told police he was not home when the killings occurred . Watch sheriff describe attack as `` the most heinous crime we 've ever had in the community '' » . According to the earlier arrest warrant , Heinze provided `` investigators with false and misleading information about his whereabouts and involvement in the circumstances leading up to him calling 911 to report the deaths of his family members . '' The arrest warrant also said he removed a shotgun from the residence and hid it in the trunk of his car . A man identified as Heinze reported the slayings . He told an emergency dispatcher when he called Saturday , `` I was out last night . I got home just now , and everybody 's dead . ... My whole family 's dead . It looks like they 've been beaten to death . '' Listen to the 911 call » . Seven of the eight victims will be buried Saturday , as a 3-year-old who was injured struggles to survive at a Savannah hospital . The toddler 's grieving grandmother , Diane Isenhower , who lost four of her children in the rampage , said the child is on life support . Police said seven of the victims died in the mobile home , and the eighth died Sunday at a hospital . The funeral for Joseph L. West , 30 , is to be held at mid-month . For the other seven , viewing was scheduled for Friday night , and a funeral is to be held Saturday afternoon at Youngs Island Church in Eulonia , Georgia . West was the boyfriend of Chrissy Toler , 22 , who died along with her father , Russell D. Toler Sr. , 44 , and three siblings : Michelle Toler , 15 ; Michael Toler , 19 ; and Russell D. Toler Jr. , 20 . Michael Toler had Down syndrome . Russell Toler Sr. and Isenhower were divorced . Also killed were Guy Heinze Sr. , 45 and Brenda Gail Falagan , 49 , police said . Clint Rowe , whose wife is Isenhower 's sister , said the family was having trouble coping with the losses and noted that police , too , were affected . `` They 're the ones who walked in on that , so you know it wears on the police as well , '' he said . Referring to Isenhower , he added , `` It has been a long week for her . She 's lost all of her family , so naturally it would be . '' `` They 're just as nice as they could be , '' Rowe said of the victims . `` Friendly folks . Down-to-earth folks . '' Watch Rowe talk about the killings » . Russell Toler Sr. , who worked at a nearby factory , was a generous man who allowed relatives facing financial and health problems to live with him . There were 10 people in the mobile home , and their combined salaries were low , Rowe said . Among them was Toler 's sister , Falagan , who was in a wheelchair . Police have not said how the victims died , although autopsies were completed Monday . The bodies were discovered Saturday at New Hope Plantation mobile home park , north of the Atlantic coastal city of Brunswick . Police have released few details of the crime scene . Doering acknowledged that there is fear in the community but said that releasing details of the slayings wo n't allay it . `` We , too , have that same fear . We 're the ones that have to get out there and try to make people feel better as best that we can , '' he said . CNN 's Sean Calebs contributed to this report .
NEW : Warrant lists seven counts of first degree murder for Russell D. Toler Jr. told police he was not home when the killings occurred . 3-year-old injured in Saturday attack at Brunswick mobile home is on life support . Funeral for eight victims will be held about Saturday .