A procession brought Martinez's body from the Cook County Medical Examiner's Office to Blake-Lamb Funeral Home in Oak Lawn.
Chopper 7 was over the procession just after 11 a.m.
Martinez will be honored Sunday during a special mass for officers at Saint Christina Church in Mount Greenwood.
The man charged in Martinez's murder during a traffic stop earlier this week was denied pretrial release Thursday.
Darion McMillian, 23, of Harvey, has been charged with first-degree murder, attempted first-degree murder. unlawful use of a weapon and more.
READ ALSO | Community mourns young CPD officer killed in line of duty
At a Thursday night vigil, friends, family and neighbors poured out their grief and tried to lift up his family in this moment of tragedy.
Friends remember fallen CPD officer for laugh, sense of service
"He was there countless times for other people, so I feel like we owe it to him to kind of pick him up and his family," said Carlos Martinez, attendee.
The vigil followed a mass at St. Nicholas of Tolentine Church in West Lawn, where the officer was known, respected and loved.
"He was such an amazing person, big smile with his friends and would light up the room," said attendee Francisco Gutierrez.
Martinez went to grade school and high school in the area, graduating from Hubbard High in 2016.
A wake visitation service for Officer Martinez will be held Sunday Nov. 17 from 3 p.m. to 8 p.m. at Blake-Lamb Funeral Home in Oak Lawn. A funeral service will be held at 10 a.m. Monday Nov. 18 at St. Rita of Cascia Shrine Chapel in Chicago.
A GoFundMe has been started to collect donations for the Martinez family.
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