Welcome to Madrigal Forensics

Specializing in:

  • Paternity Testing
  • Immigration DNA Testing
  • Personal DNA Profiles
  • Forensic Consultants
  • Family Relationship
  • Twin Identity
  • Expert Testimony
  • Forensic Investigations
  • Infidelity
  • DNA Collection Kit
  • Siblingship
  • Polygraph Testing (Lie Detector Test)

If you are not familiar with our company and your first contact with us is online: We would be pleased to hear from you! Please let us know what your needs and questions are, we will be more than happy to help.

Last Updated (Thursday, 28 September 2017 15:51)


About Us

alex1Madrigal Forensics: Alex Madrigal has been a Forensic Scientist for over 19 years. He began DNA Analysis in 1994 and has continued to provide excellent service to the South Texas communities. In 2006 Madrigal Forensics came to be. Madrigal Forensics is a Paternity Testing Service. Madrigal Forensics is the only entity in South Texas to employ a Forensic Scientist to perform this service. Madrigal Forensics is also the only entity to provide private consultations. We will come to your home for a private setting.

Madrigal Forensics uses a leading analytical laboratory specializing in DNA analysis for forensic casework, convicted offender data basing, paternity, family reconstruction, ancestry, and research and development that is FQS-1, AABB, Texas DPS, and ISO 17025 accredited and is also authorized to perform DNA Parentage/Identity Testing for samples originating from the state of NY and is also authorized by the U.S. Department of Homeland Security for Immigration DNA Testing.

Last Updated (Friday, 27 May 2011 11:06)


What is DNA?

The science of DNA profiling relies on technology that allows an individual's DNA (deoxyribonucleic acid) to be examined and analyzed.  DNA is the genetic material that we all inherit from our parents; half from the mother and half from the father.  It is considered the genetic blueprint that makes each of us unique. The one exception is identical twins, who have identical DNA. The complete genetic blueprint is found in all nucleated cells of the body. Thus, DNA profiling can be performed from many types of biological specimens including blood, buccal (mouth) swabs, sperm, autopsy specimens, and products of conception. DNA is composed of subunits called base pairs, with a person's DNA encoded in 6 billion such base pairs. 
Although most of the DNA within all of us is very similar, there is sufficient variability to make each of us unique. This genetic variability is inherited and forms the basis for DNA profiling useful not only in identifying the perpetrators of crimes but also in establishing parentage (paternity and maternity) and other family relationships.

Last Updated (Thursday, 28 September 2017 15:52)


Why you should have a paternity test done?

0027aEstablishing paternity means being declared the legal father after the child is born. If the parents of a child were not married when the mother became pregnant or when the child was born, the child does not have a legal father until paternity is established.

Establishing paternity is important for both the child and the parents. A child is entitled to the sense of belonging and identity that comes from knowing both parents. Establishing paternity often has an important emotional and psychological benefit for the child.

Until there is a determination that a biological father is the legal father, the child has no right to receive financial support from the father, to inherit from the father or to obtain insurance, veterans’, social security or other benefits through the father.

Likewise, until paternity is legally established, the biological father has no legal rights to the child, such as parenting time with the child, or participation in major decisions about the child, such as medical treatment, education or religious training.

Last Updated (Sunday, 12 December 2010 19:49)

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