Oslo, Norway (CNN) -- At a prize ceremony honoring peace, Adán Cortés says violence and injustice sent him rushing toward the stage. 

In a matter of seconds, the 21-year-old Mexican student's face was seen around the world last week as he stood in front of Malala Yousafzai at the Nobel Peace Prize ceremony in Oslo, Norway. 

"Please Malala, Mexico," he repeated as he unfurled a Mexican flag on the stage at Oslo's City Hall, where the 17-year-old laureate was about to become the youngest person ever to receive the prestigious award. 

Oslo police have come under fire over the incident, with critics asking how someone who wasn't on the ceremony's guest list managed to slip through security checkpoints and make it to the front of the room, standing just steps away from Yousafzai and other dignitaries before security hauled him out of the auditorium. 

Speaking to CNN at an Oslo detention center on Sunday, Cortés said he knows it was a drastic move. But he felt like he had no choice and wanted only a few seconds to speak about Mexico's problems on a global stage. 

"My motivation was to show solidarity with all the things that have happened in my country, ultimately, well, the 43 missing students, who are suspected to be dead and burned, that was my main motivation," he said. "I am tired of so many injustices that we have lived in Mexico, for decades." 

The students' case has sparked national outrage in Mexico and drawn global attention to the country's continued struggles to deal with police corruption and drug-related violence. 
Who was receiving the Nobel Peace prize?
how old was he?
who slipped through security?
why was he there?
what country?
how old was he?
his occupation?
where did this happen?
Where is he now?
What was his main motivation?
Who in particular is he talking about?
Were they thought to be alive?
How long were these injustices thought to be going on?
What kind of corruption does the country struggle with?
Do they deal with violence also?
what kind?
Where in Oslo was the cermony?
WHy were the police under fire?
What does the ceremony honor?
Who spoke with Cortes in detention?
Malala Yousafzai
f Malala Yousafzai
17-year-old (she)
 17-year-old 
Adán Cortés
Adán Cortés
to show solidarity with all the things that have happened in my country
to show solidarity with all the things that have happened in my country
Mexico
Mexico
21-year-old
21-year-old
student
 student
Oslo
Oslo
an Oslo detention center
an Oslo detention center 
to show solidarity with all the things that have happened in his country
to show solidarity with all the things that have happened in my country
43 missing students
43 missing students
no
uspected to be dead and burned
for decades
, for decades
police corruption
police corruption
yes
drug-related violenc
drug-related
drug-related 
City Hall
City Hall
A man not on the guest list was close to Malala
how someone who wasn't on the ceremony's guest list managed to slip through security checkpoints and make it to the front of the room
Peace
Peace
CNN
 CNN