The boy is believed to have carried out a number rapes and as many as 30 sexual assaults in total.
Witness statements along with around 350 tips have come in from the public pointing towards the perpetrator, the so-called ‘babyface’ man.
Police state they have evidence connecting him to two rapes, two attempted rapes, and two sexual assaults.
”We are absolutely sure we have arrested the right person,” said Per-Olof Johansson, head of the city’s serious crime unit during a press conference on Friday.
”There are six investigations currently underway and we believe he has committed many more sexual assaults which we hope to be able to prove,” Johansson added.
The majority of attacks have taken place in the Johanneberg and Majorna neighbourhoods of Gothenburg and the rapists unconventional methods have surprised the police.
The man goes from door to door, ringing the bells of potential victims and asking personal questions before forcing his way inside.
Police also suspect he has run into women on a bicycle or moped before carrying out sexual assaults.
The first attack to be linked to the serial attacker was reported at the beginning of August and the latest incident around one week ago.
According to Per-Olof Johansson the boy is from the Gothenburg area was previously known to police but not for crimes of a sexual nature.