By Charlie Jones Police investigating the deaths of pregnant teen Savanah Soto and her boyfriend have released CCTV footage showing two ‘persons of interest.’ Savanah and Matthew Guerra, 22, went missing on December 23 after she failed to turn up to a hospital appointment. Their bodies were found on December 26 in a car outside a San Antonio apartment complex, in Texas. Police confirmed it’s being treated as a capital murder case. Matthew died from a gunshot to the head and police said it was a ‘contact gunshot’ meaning the gun was pressed against Matthew’s head when it was fired. In the video…